Two-sided 30g. sterling silver coin, plated in 23.6k "middle colour" gold.
A friend worked with the first movie and got hold of some of the prop - from that this was made. The medallion it was cast from did not have two "face" sides but this coin was made looking the same in reverse.
Copyright and stuff: Disney
I claim no credit for Pirates of the Caribbean, intellectual property and/or ownership - I'm just a fan and this is a tribute.