Culinarylore - Just found out recently that those Classico pasta sauce jars that look like they are mason jars and say "Atlas Mason" on them are not real mason jars and are
Two Antique/vintage Atlas Mason Glass Canning Jar With Zinc - Etsy UK
Antique 1900-1930 Atlas strong Shoulder Mason - Etsy UK
e-WV | Hazel Atlas Glass Company
SET 2 VTG ATLAS E=Z SEAL FRUIT CANNING MASON JARS 16 OZ CLEAR GLASS BAIL & WIRE | eBay
Cleaning Classico Jars | LulaBelle Handicrafts
Thoughts On Using Classico Spaghetti Sauce Jars For Canning? : r/Canning