Also, the long chain is worn around the neck, sometimes coming together and ending in a single chain, coming down from the neck loop to the glasses. The glasses usually fold together and, at times, into the handle. The markings could easily appear on pince nez glasses, as well, etc., in my opinion. However, I have no idea what they mean, except that the "L" may be the maker and the 1/10 2 k g may mean gold filled. I don't care about the maker. I just want to know what metal (base metal, gold filled, 14k, etc.) the eyeglass frames are made of.