This handled skull mug has a very pointed chin, and a hollow area behind the face, with holes for eyes, nose, and three teeth. It is glazed in a gloss black.

From Trader Vic's:

"Ahoy, me hearties! The infamous pirate Blackbeard was said to favor a 'cocktail' of rum and gunpowder which he lit aflame before drinking. This Trader Vic’s Skull Mug serves as the vessel for our Black Stripe cocktail, which we set on fire as a nod to the old scallywag, a warming concoction for those chilly nights at sea."