How old are blue mason jars?

Use the color to get an idea of the age.

Blue glass Ball jars were produced in the late 1890s and early 1900s, but the company stopped producing these in 1937. There were also some brown amber jars produced in the 1950s, but most of the jars produced after the 1940s were made of clear glass.

Keeping this in consideration, What Ball jars are worth money?

However, these are a few notable examples of what your canning jar could be worth: An antique Ball brand perfect Mason jar sold on eBay for about $80, likely because its deep olive green color is relatively rare.
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Color

• Amber.
• Green.
• Purple.
• Milk glass (white)
• Cobalt.

Secondly What does the number on the bottom of blue mason jars mean? Not every jar has their manufacture date on the glass, but most have the patent date. … There will be a large number on the bottom of your jar. This is the mold number, and unfortunately also has no relation to the manufacture date. These charts tell you the approximate decade in which your Ball jar was made.

Are Kerr Mason jars valuable?

Typical values:

The value of antique Ball, Mason and Kerr canning jars varies greatly. Typical prics range from $8 to $25 a jar. Look at the books listed above on this page for more details about how to value a jar.

Are old Kerr jars worth anything?

The value of antique Ball, Mason and Kerr canning jars varies greatly. Typical prics range from $8 to $25 a jar.

How old is my Kerr Mason jar?

Look for the Kerr name, which is embossed onto the surface. Observe the finish of the jar. If the base is smooth at the jar’s lip, it was made by a machine after 1915. A rough base means the jar was made between 1900 and 1930.

What do the markings on the bottom of a glass bottle mean?

Base of the Bottle Markings

Base numbers also indicate bottle styles or shapes, manufacturing dates, or factory location codes. Soda bottles from the Owens-Illinois Glass Company display G-numbers on their bases. … The bases also display the glass maker’s trademark and the date code.

What do the numbers mean Mason jars?

“Ball Mason Jars” were made anywhere between 1888 and 1961. each number either represents a specific glass blower or (later) a particular machine on which it was made. 13 is the most valuable today because back in those days superstitious people were afraid to can in them, so they broke them or simply threw them away.

What is the difference between Ball and Kerr Mason jars?

So though it appears that there are multiple brands of jars out there, they’re all made by the same manufacturer. Beside above, what’s the difference between Ball and Kerr Mason jars? … The glass is made in the same batch, the only differences are the molds – whether they say “Ball” or “Kerr” is only cosmetic.

Why is everyone out of Mason jars?

“The demand has resulted in supply constraints, extended lead times and recently limited product availability at stores and online,” a company spokesperson said in a statement, according to CNN.

How old is a Kerr Self Sealing Mason jar?

Kerr self-sealing jars and the Kerr Economy were created in 1903. Alexander H. Kerr also founded the Hermetic Fruit Jar Company in the same year. San Francisco man Julius Landsberger patented metal lids fastened onto a composition gasket.

How do you clean cloudy Mason jars?

If it’s particularly strong film, you can fill your kitchen sink with warm water and a cup of vinegar and soak the jars for a few minutes. Give them a good rub with a rag or sponge and them let them dry. Should be good as new!

What is the difference between Kerr and Ball jars?

The same is true of glass jars. All the arguments about the difference in quality between one brand and another is only “perceived” differences. The glass is made in the same batch, the only differences are the molds – whether they say “Ball” or “Kerr” is only cosmetic.

How old are Kerr self sealing jars?

Kerr self-sealing jars and the Kerr Economy were created in 1903. Alexander H. Kerr also founded the Hermetic Fruit Jar Company in the same year. San Francisco man Julius Landsberger patented metal lids fastened onto a composition gasket.

Are Kerr and Ball the same company?

If the Kerr jars and their packaging looks eerily similar to that of Ball jars, it’s because they’re basically the same: Both Ball and Kerr brands are now owned and manufactured by the parent company Jarden.

Are Kerr Mason jars old?

A Brief History of Kerr Mason Jars

The Kerr Glass Manufacturing Co. began in Portland, OR in 1904. … The Kerr name first appeared on a mason jar in 1915 as ‘Kerr Economy’. Later, the “Economy” was dropped, and the Kerr name was featured prominently, along with “Self Sealing”, as ‘Kerr Self Sealing Trademark Reg’.

Can I use old Mason jars for canning?

Using vintage or antique canning jars for home canning.

Some jars that are old are just fine. In fact some of the old ones are nice thick jars and seem sturdier than even new jars.

How can you tell if a glass bottle is valuable?

The Age of the Bottle

While not all old bottles are valuable, an older bottle is more likely to be worth more than a newer one. Seams and pontil marks are two of the ways you can determine a bottle’s age. The pontil mark is the mark at the bottom of the bottle where it was attached to the glass blower’s pontil rod.

How can you tell if a glass bottle is antique?

Check the bottom of the bottle for what is known as a pontil mark. This will be a ring or area of rough glass from where a supporting rod held the bottle during glass blowing and definitively dates the glass as being vintage.

How can you tell if glass is antique?

Most often a glass mark is on the bottom of the piece , but there are some pieces that are marked on the side.
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Other markings on antique glass pieces that offer clues to its age are:

1. Pontil mark of a blown glass piece and whether it is highly polished or not.
2. Mold marks.
3. Any marks within the glass itself such as bubbles.

How old are Atlas Mason jars?

What Is an Atlas Mason Jar? The glass company Hazel-Atlas, which is also known for making Depression glass, began production around 1902. The Atlas Mason jars were among some of their most important products.

What’s the difference between smooth jars and Mason jars?

All Mason jars are not created equal. They are remarkably similar to commercially used jars, but the biggest difference is that real Mason jars have a wider rim that gives them a better sealing surface.

Is Mason jar airtight?

Canning (Mason) jars will be airtight once the lid is screwed on only if the jar, lid, and ring are not compromised. However, there will still be air inside the jar. The only way to remove air from the jar is by following the safe canning practices recommended by the USDA, which forms a vacuum.

Which canning jars are better Kerr or Ball?

These shapes and sizes can also be found with the Kerr marker, but only out west. I prefer the Kerr jars to Ball, because they have a smooth back (it’s perfect for labels) but they’re nearly impossible to get where I live. The next group is the wide mouth Kerr assortment. These come in quart, pint and half pint sizes.