My husband recently brought this home for me. I'm not sure if it's an old locket or a compact, but I like the etching/engraving on the top. I think it would make a nice vintage looking necklace, so I'm going to clean it up a little bit and try to attach a chain.
Join Lori Plyler of Studio Waterstone and check out all of the "I Heart Macro" slash "I Heart Close Ups: Up Close Photography for Macro Makers and the Camerologically Challenged" entries.

Have a wonderful Independence Day Weekend!