Watch List notes:

Moesia, Istros AR Trihemiobol. Circa 313-280 BC. Two young male heads facing, side by side, one upright, the other inverted / Sea-eagle to left, clutching dolphin in its talons; [IΣTPIH] above, monogram below. AMNG I, 444; Dima 2014, Group IV (Subdivisions); HGC 3.2, 1807. 1.11g, 11mm.

Good Very Fine.

From the William Stancomb Collection; this coin published in Sylloge Nummorum Graecorum, Great Britain, Volume XI, The William Stancomb Collection of Coins of the Black Sea Region (Oxford, 2000);
Acquired from Numismatik Lanz München, 2010.