Gold Nail and Copper in Wood

[Cat_O_Nine_Tails]

I found this on a Caribbean beach today. In the water. No tarnishing. Looks old. It's a Gold Nail and some copper bits of something that seems trapped in the wood. Any idea what this could be?

 

[Digger RJ]

I found this on a Caribbean beach today. In the water. No tarnishing. Looks old. It's a Gold Nail and some copper bits of something that seems trapped in the wood. Any idea what this could be?

Nice!!! Congrats!!!