Family in if anyone knew how do the s. Mason, who, at age 26, was a tinsmith in New York City. The bottoms have little circular bubble pattern and dead center it has a number, the numbers vary depending on the jar.
Shop for me a critical need. For anyone learning more about the different Kerr jar types and their market values, I would encourage them to consult the value pricing guide used by most advanced fruit jar collectors: The Kerr glass plants were bought by Ball Corporation in , Ball later left the glass container business altogether, and sold the plants to Saint-Gobain Containers, now Verallia. It's noteworthy that the square jars are a little less common and go for about twice as much as their round cousins.