Look at the bottom of the jar. It should have a Hazel-Atlas glass mark that shows an A underneath a large capital H. Examine the writing on the jar itself. It may say Atlas or have the Hazel-Atlas glass mark on the side.

What Atlas jars are worth money?

Atlas E-Z Seal - This jar style is round, featuring a bail and integrated glass lid. It is stamped with the E-Z Seal name and comes in pint, half-pint, quart, and half-gallon sizes. The earliest E-Z Seal jars are from 1910 and are amber glass; they are among the most valuable.

Which Atlas Mason jars are worth money?

According to Lovetoknow.com, the earliest E-Z seal Atlas jars are from the year 1910. These jars were made from the amber glass material and are among the most valuable Atlas Mason jars on the market.

How do you date Vintage Atlas Mason jars?

However, there are a number of ways to tell how old your Atlas Mason jar might be.Look for Mold Seams. Examine the jar to see if it has lines or mold seams from its construction. Check the Texture of the Glass. Note the Name. Examine the Jars Condition. Check the Style. Consider the Color. Compare to Recent Sales Prices.