Check the jar from top to bottom. The Kerr name will be embossed on the glass. There are some general guidelines to approximate the date of a vintage Kerr jar between 1915 and 1930. The finish on a fruit jar can tell you roughly about the date it was made.

Where are Kerr Mason jars made?

Kerr Glass has had glass manufacturing plants located at: Altoona, Kansas (from 1909-1912); Sand Springs, Oklahoma (1912 to 1992); Huntington, West Virginia (from 1933; this plant closed December 7, 1982 – information from Mike Harmon); Santa Ana, California (1943-1992); Plainfield, Illinois (1964-1996); Dunkirk,

Why are there no mason jar lids?

Those of you who can fruits and vegetables may have noticed a short supply of jars and lids. Its a shortage that is being chalked up, in part, to the COVID-19 pandemic. The lids have a disc that sits on the mouth of the jar with a ring that screws on around it, but after one use, the seal around the disc breaks down.

Why are Ball lids in short supply?

The increase in the number of people cooking and trying recipes during the pandemic has led to a surge in canning – because experienced canners are doing it more and novices want to give it a try. And that surge has led to a shortage in Mason jars and lids.