Watch List notes:

MYSIA, Kyzikos. Circa 550-450 BC. EL Stater (18mm, 16.11 g). Forepart of ram left; to right, tunny upward / Quadripartite incuse square. Von Fritze I 46; Greenwell 132; Boston MFA 1420 = Warren 1556; SNG BN –. In NGC encapsulation 6155997-002, graded VF, Strike: 4/5, Surface: 3/5, countermark.

A rare variety with an interesting globule added to the reverse, undoubtedly a weight-adjustment measure.