If you have ever found yourself spending a Saturday night analyzing the mold markings of a bottle under a high-powered light and a loupe… well, you might be a glass geek! After a couple nights of “geeking out”, I find myself having more questions and fewer answers. As every collector knows, the therapeutic time spent playing with your bottles is a good part of the excitement of being a collector. Sharing your finds with other collectors completes the circle! After a little investigative work, here are some observations.