I’m a Goodwill/Flea Market/Yard Sale/Salvation Army fanatic. I’m amazed at the things I can find and how cheap I can get them. I got a bag of these things the other day at The Salvation Army and have no idea what they are. I think they’re glass. They do have a seam. I don’t think they’re too old. They have a shell design on the front/top side and a little hole-like thingy on the backside. They almost look like a game piece…I like them a lot and would love to know what their original purpose was.