A search in this forum and on Google has netting no information on Safe Seal jars. I have 3, all aqua, but different. One is a tall half gallon with a bail top, #4 on bottom, patent 7/14/1906. The two pint ones have the bail, one with the underscored #8 on the bottom and the other with a symbol...
This jar is a deeper blue/aqua than my others. I can't figure out what the number on the bottom means, or if it is a number. The top with concentric circles is also unusual.
I've decided to get all of the mason jars out of my basement and try to sell them. I consulted ebay and realized that identifying them is not so simple. I don'tglass bubbles, etc). They include Ball Ideal, Self Seal, Perfect Mason, Atlas, Double Safety and unmarked. Most have numbers, some with...