What is this awsome find?

[contesta-me]

Hello. I recently found several "coins" encrusted on a large stone at the beach, but I haven't been able to identify them though I have tried. Please help. This is the first one.

 

Amazon Forum Fav 👍

Agony and Death on a Gold Rush Steamer: The Disastrous Sinking of the Side-Wheeler Yankee Blade - Grab it through Amazon!

[ANTIQUARIAN]

You need to post this in the 'Whatsit Forum'.

Looks like silver to me?

Dave