Watch List notes:

MYSIA, Kyzikos. Circa 550-450 BC. EL Stater (20mm, 16.11 g). Helmeted head of Athena left; to right, tunny downward / Quadrapartite incuse square. Von Fritze I 63; Boston MFA 1432 = Warren 1445; SNG BN –. VF. Well centered.