What does the number mean on the bottom of Ball Mason jars?

Many Ball mason jars have a number printed on the bottom of the jar, but this is a mold number that does not indicate the year of production. Rather, the mold number tells you where the jar was positioned on the glass-making machine that was used to produce it.

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Accordingly, 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.

Correspondingly, do old Mason jars contain lead? Ball Mason Jar (year unknown): 43 ppm 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.

Moreover, do they still make Ball canning jars?

Ball no longer manufactures the ubiquitous canning jars, but we’ve expanded and grown into a worldwide metal packaging company that makes billions of recyclable metal containers, and a unique aerospace business that designs one-of-a-kind solutions to answer scientific and technical challenges.

How do you date a Ball jar?

If you have a Ball jar, you can date most of them just by looking at the logo. Every few years, the Ball Manufacturing Co changed the logo and if you compare yours to a reliable chart, you know how old it is.

How do you identify Ball Mason jars?

The

  1. Logo Imperfections. One of the most common imperfections are misspelled words in the logo. …
  2. Upside Down Jars. …
  3. Size. …
  4. Jars With Original Lids.

What are Ball Mason jars worth?

Nowadays, you can even buy a big flat of Mason jars for pretty cheap at your local craft or household goods store — but the older ones can fetch much higher prices. 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.

What are Kerr Mason jars worth?

Typical values:

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

What canning jars are valuable?

According to Collectors Weekly, clear glass and aqua jars are quite common, but the following colors are rarer and more valuable:

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

What is a perfect mason jar?

The Ball Perfect Mason was a brand of glass fruit jar (canning jar) made by the Ball Bros. Glass Manufacturing Company. … Glass jars with this embossed marking was the most popular jar for home canning ever produced in the United States.

What old Mason jars are worth money?

5 Most Valuable Mason Jars Ever Made: From $500 To $23,500

  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. …
  4. The 1870 Chief Mason Jar – $800. (Photo: gregspurgeon.com) …
  5. 1858 Willoughby Stopple Jar – $500. (Photo: hoosierjar.com) …

Which is Better Ball or Kerr Mason jars?

Why are Ball Mason jars out of stock?

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.

Why are old Mason 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.

Why is there a shortage of canning lids 2020?

Though the mighty mason jar hasn’t fallen from its throne online on sites like Pinterest and Instagram, the major jar and canning supply demand is due to the covid 19 pandemic of last year.

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