Canning jar dating
Luckily, there are some tips and tricks you can use to determine an approximate age for your jar.First check the logo, which changed fairly frequently until about 1962.Unique closures might not have been favored by yesteryear's homemaker, but they are a hot commodity among today's collector.Collectors Weekly notes some types of closures include the following: Color can be difficult to describe.According to Minnetrista, the style of embossing can help you date the jar, especially for those made by Ball.An embossed design that is unusual or unique will fetch more. I’m the current contact for information about historical Ball jars on the Ball Corporation web site.
Chips and cracks will diminish the value of old canning jars significantly, while a jar in good condition with its original lid will be worth the most.That was the date when John Mason received his patent for the threaded screw-type closure, and it appears on many different brands of jars. Check the logos below against the logo on your jar. Ignore the Mold Number How about that big number on the bottom of many jars? The quality control people used the number on the bottom of the jar to identify which mold was producing bad jars.The number has nothing to do with when the jar was made.One of the most common emails I receive comes with a description of a jar—e.g., Blue pint Perfect Mason with the number 5 on the bottom—and the question, “How old is my jar?” Use The Logo To Find An Approximate Age It would have been much easier if Ball had placed a date on each and every jar, but that didn’t happen.