Watch List notes:

Mysia, Kyzikos EL 1/24 Stater. Circa 500-450 BC. Head of Zeus Ammon right; below, tunny right / Quadripartite incuse square. Von Fritze 130, pl. IV, 16 (stater); Boston MFA 1520 (same); SNG von Aulock –; SNG France 281 (same); Gulbenkian 640 (same). 0.65g, 7mm.

Very Fine. Extremely Rare, only one other example on CoinArchives and apparently unpublished in this denomination.