For Ball jars, you can date them by looking at the logo, as it has changed many times. Ill give you a link for that later in the post. These jars have the Ball name in script, with the center of the B straight (not looped). The top line extending above the B is short.

How do you date a Mason jar lid?

Some helpful notes to keep in mind: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. These charts tell you the approximate decade in which your Ball jar was made.More items •Aug 16, 2021

When were Golden Harvest Mason jars made?

1975 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. In 1980, they released a limited promotional edition with PEPSI embossed on the back.