Watch List notes:

ISLANDS off IONIA, Chios. Circa 270-220 BC. AR Tetradrachm (29mm, 16.96 g, 10h). 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 left above monogram-in-circle; Δ below throne. Bauslaugh, Posthumous, Series 10, unlisted issue, but obv. die 23; Price 2331–2 var. (monogram, same obv. die as illustration of 2331); HGC 6, 1132. Toned, patches of find patina, some marks. Good VF. Extremely rare, unpublished issue.