How to tell the age of mason jars

A Mason jar, also known as a canning jar, preserves jar or fruit jar, ... The value of a jar is related to its age, rarity, color, and condition. A jar's age and rarity can be determined by the color, shape, mold and production marks of the glass, and the jar's closure. Mason jars usually have a proprietary brand embossed on the jar.

How to tell the age of mason jars. Another way to tell the age of a Mason jar is to look for certain colors. Mason jars were made in a variety of colors including clear, aqua, and amber, but in the very early 20th century, some limited colors were introduced like pink and yellow. It is also possible to find reproductions of Mason jars made in the last few decades.

Would you like to tell us about a lower price? Ball Regular Mouth Pint 16-oz Mason Jar with Lids and Bands (Pack of 24) ... salsas, pie fillings or chopped fruits and vegetables. This order includes 24-Regular Mouth glass preserving Mason Jars, 24-Regular Mouth Lids, 24-Regular Mouth Bands, and Step-by-Step instructions on the bottom of the ...

The reason for this is because the Van Vliet factory was burned down in 1885, taking many of its jars with it. This is therefore the rarest Mason jar on the planet, which explains the $23,500 price tag. When a mason jar costs $23,500, we had to dig a little deeper. From patents to a burned-down factory, these are the most valuable mason jars ever.Yes, blue mason jars are rare. They were first produced in the early 1800s and were made by a variety of companies. The most common type of blue mason jar is the Ball jar, which was first manufactured in 1884. These jars are typically aqua blue in color, but can also be found in other shades such as green, blue-green, and even pink.Place a rubber band over the waxed paper, slightly beneath the opening of the jar. Place the lid of the Mason jar over the waxed paper and close it as tightly as you can. Write the name of the wine on an adhesive label and attach it to the outside of the Mason jar. Store the Mason jar at a temperature of 55 to 65 degrees Fahrenheit ...Liquids like jams, salsa, sauces, and other small portion sizes can be stored in 4oz or 8oz jars. Large portions of vegetables, jams and meats and seafood should be stored in 12 or 16oz mason jars. Wide mount, self-sealing mason jars are the best option for pickling. As the mason jars cool, the lid creates a seal keeping bacteria out.When time is up, turn off the heat. Remove the lid and let the jars stand in the water for five minutes. This allows them to cool more gradually and prevents the product loss that sometimes occurs if you take the jars out too quickly. It can also improve the quality of the seal.

7. Foreign particles may be blocking the hole in the attachment. 8. If you use a hand-held sealer, you may not be pressing firmly enough or at the right angle. 9. If you use a countertop vacuum machine with a port, your hose may not be attached securely and completely. 10.1. Leftovers. Perfect for soups or stews, grains like rice, chopped veggies, scrambled eggs… endless possibilities. 2. Smoothies. Make extra and store it in the fridge for later in the day, or use the jar to bring the smoothie when you're on the go. 3. Drinking water for day.Short answer: How to tell how old a mason jar is: Mason jars can be dated by examining the logo, shape, and other identifying features. Ball brand jars with script logos were made before 1923; those with block letters afterward.Mason jars are often used for canning jellies, veggies and other foods. As it turns out, there are many craft ideas using old mason jars in various sizes. Wash and dry the jars so ...New Listing Mason Jar Pour Spout Lid for Wide Mouth Mason Jars, Mason Jar Pitcher Flip Cap A. $10.81. Free shipping. 75+ antique vintage zinc canning jar lids caps. $16.00. 0 bids. ... the color of old Mason jars provided some indication of their age and collectability. The chemical composition of the materials used to make the glass cast a ...Pour brine to cover the peppers (and garlic) and place a fermenting weight on top. Make sure all ingredients are submerged under the brine. Add a fermentation lid (or a regular two-piece Mason jar lid) and leave it on the counter at room temperature to ferment for one to five weeks (more on this below).

ComSaf Mini Mason Jars 4oz - 8 Pack, Regular Mouth Mason Jar with Lids and Seal Bands, Small Glass Canning Jar for Spice, Jam, Honey, Jelly, Dessert, Shower Wedding Favors, DIY Candles Decor dummy OAMCEG 39 PCS Glass Jars with Cork Lids 3.4oz Small Yogurt Jars Mini Candle Jars Little Pudding Jars Glass Favor Jars Mason Jars, Glass Containers ...Colored Salt Jars. Make your own colored salt with your kids, then layer it inside clear glass jars to make this colorful craft with your kids. 11 Cute Cupcake Liner Crafts for Kids. 37 Easy Dollar Tree Crafts for Kids. 25 Cute Toilet Paper Roll Crafts for Kids.The Mason jar was patented by Landis Mason in 1858 and Ball started producing these jars in 1885. Later, the process was “perfected” by Ball in 1913 when his factory was able to produce both the lid and jar to ensure a perfect fit each time. frankieleon. Ball jars were made in various colors, but the blue and clear colors are the most common.Straight heat isn't a problem. These jars reach 250F when used for pressure canning, and can also be used for storing food in the freezer without issue. It's thermal shock that causes breaks, aka sudden extreme temperature changes. Like putting very hot water on a frozen jar. Or putting a 200F+ jar into cold water.

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Determining Value of Mason Jars Age. One of the primary factors affecting the value of a Mason jar is its age. Older jars typically hold more value as they are often rarer and more desirable to collectors. For instance, jars from the late 19th and early 20th centuries can be more valuable than their modern counterparts. Kerr Vintage 1920s - 1930s Economy Wide Mouth Quart. No reviews No questions. $31.99. Kerr Vintage 1940s Round Body 'Self Sealing' (Trade Mark Reg.) Regular Mouth Quart Sold Out. A Brief History of Kerr Mason Jars The Kerr Glass Manufacturing Co. began in Portland, OR in 1904. Though it was not actually a manufacturer at its inception, Kerr ... How do you tell if a Mason jar is a reproduction? Some of the mold numbers that may be seen on the bottoms that usually indicate a fake jar include 1171, 851, and 971. Reproduction jars are known in many colors : ruby red glass, cobalt blue, black glass, bright greens, ambers, purple, olive green, yellow, citron, and other colors.Here are some tips for determining the age and types of different Mason Jars. Along with key features like logo variations, text, and number embossments to keep an eye out for during your antique search.WIDE Mouth Mason Jar Lids [8 Pack] for Ball, Kerr and More - Colored Plastic Storage Caps for Mason/Canning Jars - Leak-Proof 4.7 out of 5 stars 3,334 1 offer from $6.99

Place the lids in a bowl full of distilled white vinegar. Leave it to soak for a while, or at least until you see all of the rust disappear. If, even after a while, the rust is still persisting, then take a steel wool scrubber to scrub off any of the remaining orange.1. "How can I identify the age of my Atlas Mason jar?" Ah, the quest for uncovering the secrets hidden within your jar's past! To determine its age, scrutinize any markings or embossments on the jar itself. Early Atlas jars typically featured maker's marks such as "ATLAS" inscribed within a double-lined oval-shaped emblem on the ...It's as simple as it gets: soak a sponge with distilled water, ring it out over the sink (so that you don't create a puddle in the jar), toss it in, place your cigars inside, and screw the lid down. Voilà! You've got a glass jar humidor. If the jar has enough clearance inside, you can mount a small humidification unit under the lid.Marks & Logos. The best way to identify antique canning jars is by looking for marks and logos on the bottom of the jar. Many household name manufacturers used specific marks or logos that helped differentiate their products from others on the market. For instance, Ball corporation mason jars typically have a ball logo featuring two overlapping ...Here’s a guide on how to date Atlas mason jars. Find an Atlas Mason jar. These jars were produced by the Atlas Glass Company from 1868 to about 1912, so look for them at antique stores or online auctions. Check the bottom of the jar for a patent date. Jars with a patent date of 1858 are the most valuable, as they’re the oldest.Hey Mason jar fans! We sell hundreds of lids and accessories to make your jars even more useful. We're a family run, Colorado based business helping Mason jar lovers discover new and creative uses for their jars. Leak proof lids, soap pumps, silicone sleeves, sprouting, fermenting, coffee, lighting, and lots more!Ball Perfect Mason 1942-48. Image Credit. This Ball Perfect Mason jar displays the rounded square shape that Ball developed to save glass during World War II. When you see this shape on a Mason, jar you can be pretty sure that it was made during the War years and shortly thereafter. (1942-1948)1. Pint-sized (16 oz): Coming in at approximately 473 ml, pint-sized mason jars are often favored for small-scale preserving projects. They’re ideal for jams, jellies, salsas, or even homemade sauces that don’t require substantial quantities. 2. Quart-sized (32 oz): Double the capacity of a pint-sized jar, quart-sized mason jars fit around ...Dec 24, 2023 · What Ball Mason Jars Are Worth Money? Certain vintage Ball Mason jars can be valuable to collectors, especially those with unique characteristics or historical significance. Here are some factors that can make a Ball Mason jar worth money: Age: Older jars, especially those produced before 1910, tend to be more valuable due to their rarity. Mason jars can not only store and transport food, but they can also act as a cocktail shaker, a cocktail/water glass, table decor, or an airtight vessel for canning/pickling. You can even make butter or whipped cream in a Mason jar. Get crafty with your jars and use them as a pencil holder on your desk, plant some herbs in them, or turn them ...

Short answer dating atlas mason jars: Atlas Mason Jars can be dated by looking at the embossing on the jar. The presence or absence of certain markings, such as the mold number and patent dates, can help determine their age. Additionally, changes in the logo design over time can give clues to their manufacturing period. The Ultimate Guide to ...

It all started with John Landis Mason, a New Jersey-born tinsmith who, in the 1850s, was searching for a way to improve the relatively recent process of home canning. Up until then, home canning ...Tremendous numbers of white “Boyd” milk glass liners (the miniature round glass “saucers” or discs that fit inside zinc screw-threaded lids, made for Mason-style fruit jars) were produced, as well as canning jars (fruit jars) including the ATLAS jars for general household use; “packer ware” (generic containers for a multitude of common food products such as mayonnaise, spaghetti ...Products were made from our first introduced in and yellow roses make the glass jar dating of patent date. Ball square mason jars step 3. Shop drey mason jars. Jars of retro country charm and one antique ball blue books dating old ball perfect mason jars they evoke. One that drey jars.Phrases like “improved,” “special,” “perfect,” “sanitary,” “ideal,” “square” and “eclipse” can all help identify the year of your jar. For example, this Ball Mason jar with the phrase “perfect” on the bottom is …Place the white tissue paper down and brush over the top to secure. Repeat this step until the entire jar is covered. Lightly smooth the tissue with your fingers and let dry. Apply a top coat of Mod Podge over the entire jar and let dry. Cut a 2" x 21" (approximate) piece of fabric or bandana.He patented his invention in 1858 (at the age of just 26!), but the patent expired in 1879. Since most competitor brands didn't start making Mason jars until after 1879, he didn't see any of the profit. 2. The jar wasn't invented first. When Mason, a tinsmith, created the jar, he invented the cap first. The jar itself came after.Understanding mason jar diameter may seem like a small detail, but it plays a significant role in your canning journey. In this guide, we’ll break down everything you need to know about mason jar diameter, helping you make informed decisions for your preserving endeavors.Oct 27, 2007#3. Michael, this brings up a good point that newer collectors may not be aware of. The early Ball-made zinc caps do not have the script Ball logo on the top (plain), but check the liner inside... This is a good cherry-picking opportunity if you have a chance to look through a lot of lids.

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The B on ball jar is open and an underscore is present. can anyone tell me how old it is and if it has any value. Thank you! luv_oldies, 11 years ago I have a #1 red key Mason Jar no chip,s/crack,s . And 1 #52 Patton Nov 1858. And 1 #28 Mason Jar nov,1858 with what I think is Penn State logo. Can anyone give me price range,s for these item,s ...If there is no date on the bottom of the jar, check for mold numbers or other markings that might indicate its age. Once you have determined the age of your Ball Mason jar, you …The older an Atlas Mason jar is, the more valuable it is. However, finding old and well-aged Atlas Mason jars is quite a tough experience. Therefore, you need to learn how you can spot one or two in your collection or an antique shop. Thus, this guide is here to help you know how to date and value Atlas Mason jars.TANGLONG Mason Jar Cups, Mason Jars With Handle And Lids, Mason Jar Drinking Glasses, Glass Mason Jar Mugs 16 oz -12 Pack 4.7 out of 5 stars 921 2 offers from $24.99Use This Chart to Find Out! If the Ball Mason jars in your collection date back to the 1800s or early 1900s, you could be sitting on a gold mine. Whether you use them for home decor or canning, Mason jars are the most simple (and iconic) form of kitchen storage. They’ve been around for 100+ years and are still going strong!Most jars have an indicator on the rim for guidance. Use a spatula to press down the contents all around the jar, packing as tightly as you can. Wipe the jar; then place the lid over the top. Screw down the lid with the band. Your Mason jar is sealed.Fill the glass jars about 3/4, leaving some room at the top. The buds should move freely when you shake the jar. If they stick together, they probably still have excess moisture and need to be dried a little longer. In this case, just leave the mason jar open for a while so the water can evaporate.One vintage amber glass jar recently sold for $375, while many fall in the $10-$20 range. You can find them in several sizes: half-pint, pint quart and gallon. Even though many Atlas Mason jars are marked with dates, they aren’t always reliable for determining age as some molds were used for years.Well, first you have to tell how old the jar is, and you can tell its approximate age by the design of the logo. This chart shows how the label for the Ball jar company, which started producing ... ….

Beachy Bathroom Jars. Felt Poinsettia Capped Mason Jars. Painted Snowman Mason Jars. Painted Mason Jar Pumpkins. Although we love to make and gift them, such as these diy bath salts, you can also make these mason jar crafts to sell. Read on below for tons of inspiring ideas.Steven Michael Photo. Mason jars date back to the 1850s, when they were a necessity for canning and preserving food. The molded glass containers became a pantry staple—holding jams, pickles, and more—but can now be repurposed and used for a multitude of décor ideas at a wedding. While many of the ideas that follow cater to a more rustic or natural affair, their casual style is pretty ...Even if you decide to use only new jars, finding them at the best price is always important. 1. Walmart. If you live in the states, it's hard to beat Walmart's prices for canning jars. The general consensus is that Walmart has the best everyday prices for Ball and Kerr mason jars, lids, and bands.Harry Potter Mason Jars. Print. These Harry Potter Mason Jars are the cutest and easiest craft for any age kiddo. Perfect for school supplies, and a very cute teacher appreciation gift, I'd say that this kids craft project for back to school is a win. Prep Time 5 minutes. Active Time 15 minutes. Additional Time 10 minutes. Total Time 30 minutes.The Ball Perfect Mason Jar: Produced between 1910 and the early 1960s, these jars are considered iconic and hold sentimental value for many collectors. Clear pint-sized jars from the early years can fetch around $10 to $15, while rare amber or blue versions might reach up to $300. 2.1. “How can I identify the age of my Atlas Mason jar?” Ah, the quest for uncovering the secrets hidden within your jar’s past! To determine its age, scrutinize any markings or embossments on the jar itself. Early Atlas jars typically featured maker’s marks such as “ATLAS” inscribed within a double-lined oval-shaped emblem on the ...Clear glass was used up until about 1900, when blue glass started becoming more popular. So, if you see a blue Mason jar, you can be pretty sure it was made after 1900. Finally, you can also tell how old a Mason jar is by its lid. The lids on older jars were made of zinc and had no screw threads.Get the best deals on Drey Mason Jar when you shop the largest online selection at eBay.com. Free shipping on many items | Browse your favorite brands ... New Listing Drey 1920's Perfect Mason Canning Jar 5 Zinc Lid Circa 1900 Mason Jar Two Quarts. Pre-Owned. $103.50. Was: $115.00 was - US $115.00. or Best Offer. $12.45 shipping.A: Mason jars come in a range of sizes, but the most common ones you’ll encounter are 8 ounces (half-pint), 16 ounces (pint), and 32 ounces (quart). These dimensions refer to the volume each jar can hold. There are also larger options available, such as half-gallon and gallon-sized jars, which are perfect for bulk storage or large-scale ... How to tell the age of mason jars, Since 1964, Atlas jars have been made by many different alternate companies and have been most recently used for Classico’s pasta sauces. They’re not the original Hazel-Atlas jars. Original jars range in price from $10-60, depending on condition, color, and age. More valuable jars include the amber E-Z Seal jars made around 1910., One important way to determine value is age. You can date a jar’s approximate age by determining when the company started using the logo emblazoned on the jar. ... Old mason jars are a nice addition to your collection, especially if you can find jars that were made in the late 19th century. However, the rarer the jar, the higher the price is ..., Artifact of the Month - April 2021. This month's artifact is a cross-mended glass disc identified as a Boyd's "Porcelain" canning jar liner. Comprised of 4 shards, the nearly complete artifact is 2.5 inches (63mm) in diameter and 1/8 inch (3.175mm) thick. The profile of the artifact is stepped to allow for an airtight seal to the ..., As it turns out, Mason jars can hold all kinds of lunches, from pastas, deconstructed sushi, salads and even pot pies. Yes, please! Click through the slideshow for 17 Mason jar lunches to prep ..., Your jar books for $8-$10 (RB9 #501) but in my experience, they're not seen very often. Kinda odd in a way too that the ones that read Ball Perfect Mason made from this same mould book for $35-$50 and actually, they seem easier to find than their Boyd counterpart. Bob. Jan 19, 2007. #6., But the Atlas "Mason" jars that you see now pasta sauces, etc., sold in are not actually made as actual, genuine Mason jars. / Linda Bondly. Vintage Bottles. Antique Glass Bottles. Vintage Mason Jars ... A guide to determine the age and rarity of your Ball mason jar. Learn how to date ball mason jars as well as the history of these beauties! ..., 3. Distress 'Em. You can make mason jars look old by distressing them with paint. Here's a tutorial to learn how to distress mason jars for a vintage-y look. the simple craft diaries. 4. Make Them Look Cloudy. Make mason jars look old with paint on the outside, giving it a 'cloudy' look. Try the tutorial., The number is usually between 0-15 and indicates the date the jar was produced. The color will also tell you whether or not the jar is a vintage piece, as most vintage Mason Jar glass is a deep aqua blue. You may also find a Buffalo jar. These jars were produced in Buffalo, New York, between 1884 and 1887., Mason jars come in various sizes, and understanding their dimensions is essential for canning and preserving. The most common sizes are pint, quart, and half-gallon. Pint jars hold 16 ounces, quart jars 32 ounces, and half-gallon jars 64 ounces. Choosing the right size depends on your needs., November 22, 2023 by Amelia. Drey Mason Jar is a vintage glass container known for preserving food. It's worth depends on factors like age, condition, and rarity. Collectors value these jars for their history and unique markings. Checking online auctions or collector's markets can help determine the specific worth of a Drey Mason Jar., What Ball Mason Jars Are Worth Money? Certain vintage Ball Mason jars can be valuable to collectors, especially those with unique characteristics or historical significance. Here are some factors that can make a Ball Mason jar worth money: Age: Older jars, especially those produced before 1910, tend to be more valuable due to their rarity., The most valuable ginger jars have one thing in common –they each have a reign mark. Examine the bottom of your jar and try to identify what dynasty it is from, or honors. with identifiable reign marks. This Blue Ginger Jar has a verified Kangxi period mark which dates it before the 18 th Century. It is worth up to $4,500. Color, They also continued to make the MASON’S PATENT NOV 30th 1858 jars (machine made smooth lipped varieties) up into the early 1900’s. The very first machine made Ball jar is not positively known, but most likely was either a Ball STANDARD or a Ball IMPROVED MASON. This script style was used up until about 1910., Keep an eye out for high-value styles and color combos, such as these example Atlas Mason jar values. Jar Style and Color. Value. Atlas Strong-Shoulder Mason in cornflower blue and amber. $130. Atlas Mason's Patent in green. $69. Atlas Strong Shoulder Mason in aqua and amber. $65., Can someone tell me the age of this jar? It is an Atlas mason jar. General Discussion It has a textured bottom. B in a circle on the bottom. Stamped I-26. I was guessing 1920-1935 based on what I was seeing online. I was just curious. ... Their "Square Mason jar" jar was first made & marketed in 1915., 7. Foreign particles may be blocking the hole in the attachment. 8. If you use a hand-held sealer, you may not be pressing firmly enough or at the right angle. 9. If you use a countertop vacuum machine with a port, your hose may not be attached securely and completely. 10., This website will help you determine what to look for when identifying and dating historic bottles. If you are attempting to estimate the approximate manufacturing date - or age - of a particular bottle (or significant sized fragment) the first page to visit would be the Bottle Dating page and its related sub-pages., Age is one of the most important factors impacting the price of an Atlas Mason jar. The older the jar, the more likely it’s going to be expensive. However, it’s not that easy to tell how old a specific jar is , but there are several characteristics and indicators that can help you to do it successfully:, Mason jars make great centerpieces. Check out these 25 creative mason jar centerpiece ideas for any occasion. Mason jars make great table decorations. They can be decorated in so many different ways. They can be painted, you can add burlap and ribbon, and use them as vases or candle holders. You can DIY them to have farmhouse style, be rustic ..., Preparing the Jars. Whether you like painted jars or are using Mod Podge, etc. you're going to need to prepare the jars first. Remove labels using one of our DIY sticker remover methods. Mason jars tend to get greasy fingerprints on the outside from handling, so I recommend washing them with mild soap and water., Vintage 1976 Liberty Bell Mason Jar-32oz and 1971 Limited Edition Ketchup Bottle-24oz with Liberty Bell & Revolutionary Soldiers, No Damage. (661) $16.00., With a pencil or marker trace the design of the reindeer on the OUTSIDE of the mason jar. Paint the inside of the mason jar and let dry. Now paint the traced design on the outside of the mason jar with acrylic paint. Let dry. Decide if the Reindeer Mason Jar should be illuminated … if yes, see below., ComSaf Mini Mason Jars 4oz - 8 Pack, Regular Mouth Mason Jar with Lids and Seal Bands, Small Glass Canning Jar for Spice, Jam, Honey, Jelly, Dessert, Shower Wedding Favors, DIY Candles Decor dummy OAMCEG 39 PCS Glass Jars with Cork Lids 3.4oz Small Yogurt Jars Mini Candle Jars Little Pudding Jars Glass Favor Jars Mason Jars, Glass Containers ..., Yes, old Ball Mason jars are definitely worth something! Depending on their age, condition and rarity, they can be worth a lot of money. The most sought-after jars are those that were made in the early 1900s. These rare jars can sell for hundreds or even thousands of dollars., John Landis Mason invented the Mason Jar on November 30, 1858. In 1884, Ball Corporation began manufacturing glass home-canning jars, the product that established Ball as a household name and licensed Mason's design. There are few everyday objects more iconic than the Ball Mason jar. Stand it up next to the most memorable product designs of ..., Most of them are a wide mouth mason jar style with zinc and glass lids! Crown Canning Jars. I think I counted 24. And can you see the price on the top of them? 25c each! When I looked them up online they’re between $10-30 EACH! Yeah, she beat our jeans find on this one. The dates on the bottom show they’re from the 1930s-1950s. ..., Dec 24, 2023 · What Ball Mason Jars Are Worth Money? Certain vintage Ball Mason jars can be valuable to collectors, especially those with unique characteristics or historical significance. Here are some factors that can make a Ball Mason jar worth money: Age: Older jars, especially those produced before 1910, tend to be more valuable due to their rarity. , When time is up, turn off the heat. Remove the lid and let the jars stand in the water for five minutes. This allows them to cool more gradually and prevents the product loss that sometimes occurs if you take the jars out too quickly. It can also improve the quality of the seal., 2 Vintage Blue Ball Perfect Mason Glass Jars w/ Zinc Lids Quart & Pint Sold for $14.95 from 54canthisbeit on Ebay. This means that you can identify how old a Ball Mason jar is, purely by the company’s lettering on the jar. This dating chart will show you how the company’s lettering style evolved over the last 100 years, but here are key ... , In my opinion, some lead and cadmium free glassware brands that you can find in my Amazon shop include: Anchor Hocking glass products. Ball Mason jars. Corelle dishes (not mugs) Duralex safe drinking glasses and dishes (you can buy them on the Duralex website, too) Pyrex bakeware and food storage containers., Ball Mason Jar Date Chart (FREE DOWNLOAD) October 6, 2019. Share Share Link. Close share Copy link. Enjoy this easy to use reference we have designed to help you date your vintage "Ball" mason jars. Please print a copy to use at your convenience. ..., Now the contents would not spoil. On November 30th, 1858, Mason had his invention patented and stated that it was an "Improvement in screw-neck bottles.". This "Mason's Patent Nov. 30th 1858" copy was to be embossed on glass jars for the next seventy-five or so years. Mason's Patent Fruit Jars ! nine years in the market, Muscatine ..., The simple rule is that the older the jar, the more valuable it is. Consequently, a jar from the 1800s will cost a lot more than a jar from the 1900s. The logo on the jar can give you its approximate age. Based on the chart below, you can see how the mason jar logos have been changing over the last several years.