Here is what I have (sorry, I can't upload pics, site says file is too large, so if you are interested, I would be more than happy to email pics to you!):
4 - QT - Atlas Strong Shoulder Mason
Bottoms read as follows:
B H over A -16
5058 H over A C 3...
I have different brands and sizes of canning jars, some of which I think are older. I have no idea how to tell which one is worth what! I would be happy to post some pics if there is anyone out there that can help me out!
Thanks!