Watch List notes:

MYSIA, Kyzikos. Circa 550-450 BC. EL Stater (17.5mm, 16.02 g). Double-bodied sphinx with one head facing, wearing ouraios; both atop tunny / Quadripartite incuse square. Cf. Von Fritze I 128 (unlisted denomination); cf. Greenwell 101 (same); Boston MFA –; cf. SNG BN 280 (hekte); BMC –; Gillet –; Gulbenkian –; Jameson –; Myrmekion –; Rosen –; Weber –; Triton XX, lot 224. VF. Well centered. Very rare as a stater.