Based only upon the photos, I don't have an answer for you. Here is a photo of a coin with similar appearance:
Thanks Rick. I'm not sure of the weight as this is an old photo that I was experimenting with. I do have the coin, all I have to do is find it.
Nope, at least not while I have had it. I don't do metal detecting, but kinda wish I did. Good detectors are to expensive for me. Dave