I love Ball or Atlas but I really love the lesser known mason jar manufacturers. "Samco Genuine" mason jars are relatively unknown and it's believed they were only made from 1930-1940. This
Use This Chart to Date Your Vintage Ball Mason Jars | Reader's Digest
Antique Mason Jars: How to Date & Identify | Outer Banks Candle
No 12 No 8 No 10 Blue Ball Jar Quart Size Blue Mason Jar Vintage Canning Jar Antique Canning Jar Rustic Wedding Flower Vase - Etsy UK
Large Antique Glenshaw Square Mason Jars with Zinc Lids (c.1930s) – Rush Creek Vintage