Watch List notes:

MYSIA, Kyzikos. Circa 550-450 BC. EL Stater (21mm, 16.00 g). Sphinx crouching left, raising left forepaw, on tunny left / Quadripartite incuse square. Von Fritze I 72; Boston MFA 1450 = Warren 1522; SNG BN 200. Edge split, banker's mark and minor double strike on obverse. VF.

From the Siren Collection.