look on the rim, it may have purity stamped there, if not...I would guess just a few mils over brass.
I got it from a guy , that received it from a collector that didn't have money to pay for a services , I. Fig for 5$ its a steal if I could talk him into it. Which I did
Since the word COPY is stamped on the shield on the eagle I would say you have a nice copy of the real thing and it's worth $5.00.
A friend of mine bought one just like that for his son at a coin show. He paid $1. Hope yours is worth more Leeroy.