When did they stop making blue canning jars?

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.

Why are some old canning jars blue?

Feeling Blue

Those blue mason jars were mass produced until 1937 using sand from around Lake Michigan. It was that sand that gave the glass its blue hue.

How can you tell how old a blue mason jar is?

Some helpful notes to keep in mind:
  1. Not every jar has their manufacture date on the glass, but most have the patent date. ...
  2. There will be a large number on the bottom of your jar. ...
  3. These charts tell you the approximate decade in which your Ball jar was made.


Are blue mason jars rare?

Ball jars were made in various colors, but the blue and clear colors are the most common.

Can you use old blue mason jars?

Canning jars have a life expectancy of 10–13 years. After that, you will experience more breakage because of the wear and tear of normal use. Because of this, it is not recommended to use vintage or antique canning jars for food preservation.


The Ball Family Legacy



Are old canning jars worth anything?

Value depends on a lot of factors, but many canning jars sell for under $15. 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.

Do old canning jars contain lead?

Ball is the most consistently Lead-free brand I have found (with just a few exceptions.) Conversely, almost all Kerr jars I have tested have been positive for low-levels of lead (20 to 40 ppm range) – with very few exceptions.

What are the most valuable Mason jars?

The most valuable mason jars are:
  1. Van Vliet Improved Jar – $23,500.
  2. Black Amber Magic Star Fruit Jar – $3,000. ...
  3. 1933 Ball Upside Down Error Jar – $1,000. There are two types of Ball upside-down Mason jars. ...
  4. The 1870 Chief Mason Jar – $800. (Photo: gregspurgeon.com) ...
  5. 1858 Willoughby Stopple Jar – $500. (Photo: hoosierjar.com) ...


How can I tell if my mason jars are old?

Color. Mason jars have unique colors that indicate a brand. For example, the Violet jar is purple, the Beaver jar is amber, and the Lightning jar is clear. The Ball Mason jars have taken on so many colors through the years, from golden yellow to amber, to different green shades.


Are Atlas Mason jars worth anything?

Atlas mason jar values vary between $10 to around $60 depending on a number of factors including the age, color, and condition. The older amber-colored E-Z Seal Atlas mason jars, which were made around 1910, are among the more valuable.

When were star Mason jars made?

The Magic Star Fruit jar features a glass lid secured by iron clamps, another innovation in sealing. The side of the jar features an embossed star logo surrounded by text. It was patented in Pennsylvania in 1886 by Hermann Buchholz. It was later produced by Wm.

How old are Knox Mason jars?

The Knox jars were made in the 1940s by the Knox Glass Bottle Co. in Knox, PA The pints and quarts are worth about $6.

How old are Golden Harvest Mason jars?

A Golden Harvest pint / ½ litre jar, circa 2015. Golden Harvest jars first appeared on the market in 1975 being made by Glass Containers Corp. in Fullerton, California, under the name “Golden Harvest.” They were rounded-square in shape.


How do you date old Atlas mason jars?

Dating an Atlas Mason Jar
  1. Look for Mold Seams. Examine the jar to see if it has lines or mold seams from its construction. ...
  2. Check the Texture of the Glass. ...
  3. Note the Name. ...
  4. Examine the Jar's Condition. ...
  5. Check the Style. ...
  6. Consider the Color. ...
  7. Compare to Recent Sales Prices.


How do you date a Kerr jar?

CO” embossed on the bottom, and in general those jars probably date mostly from about 1904 to circa 1920. Other fruit jars made in later years include their “Self Sealing” Mason, which was made in huge numbers, in several sizes and a number of different types (embossing variations) including the “wide mouth” varieties.

What are used canning jars worth?

Typically, the smaller or more common antique jars can go for about $20 apiece, but the more rare versions can sell for as much as $300.

When were zinc mason jar lids made?

Mason's patent was for the machine that cut tin into threads, making it easy to manufacture a jar with a reusable screw top lid. Mason's sealing mechanism — a glass container with a thread-molded top and a zinc lid with a rubber seal ring — was patented Nov. 30, 1858.


Are old zinc canning lids safe?

The USDA warns not to use mason jars with zinc rings for home canning because there is not an easy way to tell if the jar has sealed. They also state there is a higher incidence for seal failure.

What is a perfect mason jar?

“BALL PERFECT MASON” fruit jars. The Ball Perfect Mason was a brand of glass fruit jar (canning jar) made by the Ball Bros. Glass Manufacturing Company. Ball Bros was based in Muncie, Indiana. (See “Ball Brothers Glass Manufacturing Company” page, for a brief summary of that glass company).

Do Kerr Mason jars contain lead?

Mason Jars ... Kerr Brand: 23 ppm Lead (+ Cadmium too).

Can glass jars be toxic?

Having carried out 197 tests on 72 new and secondhand drinking glass products, including tumblers, jars, and beer and wine glasses, it was found that many contained dangerous levels of lead and cadmium. Lead was present in 139 cases and cadmium in 134, both on the surface of the glasses and, in some cases, on the rims.


Are mason jars non toxic?

It contains a chemical called bisphenol A (BPA), or, where advertised as BPA-free, a substitute called BPS. This coating, while meant to be protective, is not entirely safe.

How old are porcelain mason jar lids?

Lewis R. Boyd was issued a patent for his invention (patent #88,439) on March 30, 1869.

Why is there a shortage of canning lids 2020?

It all began last year when the pandemic hit in early 2020. Stuck at home, people picked up gardening, then canning their harvest. “That led to a supply shortage of canning lids,” said Suzanne Driessen, University of Minnesota Extension food safety educator.

How old are lamb Mason jars?

Lamb Mason Jars were made from 1930-1945 by the Lamb Glass Company in Mt. Vernon, Ohio. They originally came with a glass insert marked "LAMB" and had a metal screw band.