Watch List notes:

MYSIA, Kyzikos. Circa 550-450 BC. EL Stater (19mm, 16.17 g). Lion at bay left on tunny left / Quadripartite incuse square. Von Fritze I 83; Greenwell 107; Boston MFA 1442 = Warren 1530; SNG BN –; BMC 45; Gulbenkian –; Jameson –. Good VF. Well centered and struck. Very rare as a stater, only five in CoinArchives, including the present coin.

From the Jonathan P. Rosen Collection. Ex Roma XII (29 September 2016), lot 294 (hammer £16,000).