I've poked around the website as a guest for a while now and after seeing how friendly and helpful everyone is I've decided to start posting. I pulled these out of the ground behind my mother-in-law's garage. Imagine my surprise when I checked the hole and found another one!!! I think they are military badges from around WWI. I have looked around the internet a little and found a few similar items. I am hoping someone can tell me for sure. They are marked STERLING on one side of the back. On the other side, STERLING BY BLACKINGTON. Thanks for your help!