What Is an Atlas Mason Jar? The glass company Hazel-Atlas, which is also known for making Depression glass, began production around 1902. The Atlas Mason jars were among some of their most important products.

What is a Atlas Mason jar?

Modern “Atlas” Mason jars The Atlas “Mason” jars that you see now used for Classico pasta sauces were never actually made as actual, genuine Mason jars by Hazel-Atlas. It appears stamping the jars as “Atlas Mason” is a packaging / marketing technique of the Classico company.

How do you date old Atlas Mason jars?

Dating an Atlas Mason JarLook 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.