Watch List notes:

ISLANDS off IONIA, Chios. Circa 270-220 BC. AR Tetradrachm (31mm, 16.25 g, 12h). In the name and types of Alexander III of Macedon. Head of Herakles right, wearing lion skin / Zeus Aëtophoros seated left; in left field, sphinx seated right above monogram within circle; Σ below throne. Bauslaugh, Posthumous, Series 21, dies 32/– (unlisted rev. die); Price 2350; HGC 6, 1132. VF, toned, light deposits, fine cleaning marks, small delamination on obverse. Extremely rare, one noted by Bauslaugh, none in Pella, one in CoinArchives.

From the Colin E. Pitchfork Collection, purchased from Freeman & Sear, 17 January 2004.