Watch List notes:

MYSIA, Kyzikos. Circa 550-450 BC. EL Stater (18.5mm, 16.09 g). Head of Athena left, wearing Corinthian helmet; to right, tunny digaonally downward left / Quadripartite incuse square. Von Fritze I 64; Greenwell 26; Boston MFA 1432 = Warren 1445; SNG BN –; BMC 18; Gillet 1058; Gulbenkian 608; Jameson 2168. Countermarks on obverse: facing panther head in conforming incuse, helmet left within conforming incuse, and wheel of six spokes within circular incuse. Good VF. Well struck for issue.

From the Jonathan P. Rosen Collection. Ex Roma IX (22 March 2015), 312 (hammer £13,000).