i know what it is but.......why? and what era

[gtfm2345]

Weird find today has anyone seen one of these? And can you tell me about it? had some kind of tin coating that made detector pick it up around 6 in in a park good for 1920-1950s stuff it is GLASS covered in like a tin coating

 

[Ocean7]

well it looks like a CC charm or something hung from a necklace. CC had different decade promotions. If you're looking for age, I'd try E-bay.