Watch List notes:

MYSIA, Kyzikos. Circa 550-450 BC. EL Stater (17mm, 16.07 g). Corinthian helmet with large crest to left; below, tunny left / Quadrapartite incuse square. Von Fritze I 81; Greenwell 171; Boston MFA –; SNG BN –; BMC –; Gillet –; Gulbenkian –; Jameson –; Myrmekion –; Rosen –; Weber –. Banker's mark on obverse. VF. A very rare type, only five other examples listed on Coin Archives.