Watch List notes:

MOESIA. Istros. 4th century BC. Drachm (Silver, 18 mm, 5.54 g). Two facing male heads side by side, one upright and the other inverted. Rev. [Ι]ΣΤΡΙΗ Sea eagle standing left on dolphin; below, monogram of ΔI. HGC 3.2, 1804. SNG BM Black Sea 253. Well-centered and struck, with light toning. Very fine.

From a North American collection.