Those appear to be popped out centers of "Souvenir" Silver Strikes & are worth their weight of .999 fine silver. they're damaged / Not whole, outside brass rings are missing. thus making them not collectable to most Strike collectors.

At .6 ave weight ea.
@$19 total silver at todays prices.
Snow Castle!!!!!
x 2pcs they've got

Gabe Dobos
On the Detroit River