Watch List notes:

Electrotype: Islands off Karia, Kos AR Didrachm. Unknown maker, likely British Museum electrotype. Nikon, magistrate. 300-190 BC. Head of Herakles to right, wearing lion-skin headdress / Crab, KΩION above, NIKΩN below; all within pelleted square. Cf. BMC 52 for prototype. 5.31g, 20mm, 11h.

Condition as seen.