How do you date Hazel-Atlas jar?

When checking the name to date your jar, you want to look at two names. These are “Atlas” or “Atlas Mason”. Older jars made by the Hazel-Atlas company had the Atlas name on them, while newer models of the jar had the Atlas Mason name on them.

What do the numbers on the bottom of a canning jar mean?

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.

How do you tell how old a Mason jar is?

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

How do I know if my pink depression glass is real?

Distinguishing Real from Reproduction Pieces. Look for tiny bubbles on the surface of the glass. Check the piece very closely, and look at it from all angles. If it is a real piece of depression glass, there will be a scattering of small bubbles.