Watch List notes:

Kings of Bithynia, Prousias I Cholos Æ 18mm. Nikomedia, circa 230-182 BC. Laureate head of Zeus to right / ΒΑΣΙΛΕΩΣ ΠΡΟΥΣΙΟΥ, trophy to left; two monograms to inner left. HGC 7, 620 var. (monograms); cf. SNG von Aulock 246; Nomos obolos 21, lot 401. 5.11g, 18mm, 12h.

Good Very Fine. Extremely Rare; just one other specimen on CoinArchives.

From a private English collection.