A shiny token but does not appear be any type of known currency.
Locate a pay this to the broken ship located in the Undead Cove and be granted passage to the Water Temple.
How to Obtain
Buyable From Taverns..
Rumor says that this Token will grant the person safe passage into the Water Temple. The vessel awaits the in the Undead Cove for the one with this coin.
You should see a Sunken/Destroyed Ship along with a power of circle glowing beside of it.