Watch List notes:

ISLANDS off CARIA, Kos. Circa 170-162 BC. AR Tetradrachm (35.5mm, 14.35 g, 12h). Nikostratos, magistrate. Laureate head of Apollo right / Asklepios standing right, leaning on serpent-entwined staff; NIKOΣTPATOΣ to left. Stefanaki Series XV, Issue 45, 1799–804 (same obv. die); Ingvaldsen 4–8 var. (O1/R– [unlisted rev. die]); HGC 6, 1319; HN Online 2188. Toned, rough surfaces, some pitting on reverse. VF. Extremely rare, only seven examples known, four of which are in museums (Berlin [2], Hunterian, Winterthur), including two in CoinArchives.