I don't have a picture, so I guess it didn't happen (I forgot to take a picture with my cellphone, lol), but yours is better than the first one I found in our garden, as a kid. It was deteriorated and green. I had it for years, but somewhere along my journey, it either took another trail, or decided to put down roots!
Correction to above: I hit the wrong key and it looks like @RichBuck made the statement about Plastic Mills: Age=Dyslectic Fingers!!! Semper Fi Phil
Immerse the coin in water and then look at it in good light with a thin layer of water on top of it. I've found that to make date determination significantly easier.