There is no stamp on it however I went on line and found this ring to be comparable to other Bakelite rings. Also it is from the 60's according to where I got it from that's all I know. Ty for your interest (:
there is no stamp on it, but I've looked it up on line and it matches some other Bakelite rings I saw.also it is aged and from the 60's according to my research. That's all I know ty for your interest (: