Watch List notes:

CARIAN ISLANDS, Kos. 357-330 BC. AR Tetradrachm (14.40 gm). Head of Herakles wearing lion-skin right / Veiled woman's head. BMC.18v. SNG.Keck.288. Toned VF+. ex Superior Auction 6/1998 Lot.6438. Perhaps the portraits represent the Satrap Maussollos (as Herakles) and his wife Artemisia.
Estimate: $2250