Demetrius Poliorcetes, King of Macedonia, 306–283 BC. AR tetradrachm (17.1 g). Pella, struck ca. 300–295 BC. 

Nike standing left on prow of galley left, blowing trumpet and cradling stylis in her left arm.
BASILEWS DHMHTRIOY beneath and to right of Poseidon Pelagaios standing left, wielding trident.
Delta in left field, IAN monogram in right field. 

Newell 72.

With permission of CNG mail bid sale 78, Lot 433, May 2008.