Found this

[liverock]

posted in the coins forum...but knowing all the folks with knowledge here.....silver?

 

Amazon Forum Fav 👍

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

[LM]

It looks like copper.
Tiberius, 14-37 AD.

Ancient coins are a bucket of snakes since trivial variants can make a huge difference in value, not to mention they've been competently (and aggressively) faked by Bulgarians in recent years.

It will require further research.

 

[pong12211]

That's a really cool coin...