Watch List notes:

MYSIA, Kyzikos. Circa 550-450 BC. EL Stater (17.5mm, 16.16 g). Forepart of ibex left; to right, tunny upward / Quadripartite incuse square. Cf. Von Fritze I 49 (unlisted denomination); Greenwell –; Boston MFA –; cf. SNG BN 187 (hemihekte); cf. SNG von Aulock 1174 (hekte); Gulbenkian –; Jameson –. VF. Well centered. Apparently unique as a stater.

From the Jonathan P. Rosen Collection. Ex Roma XIV (21 September 2017), lot 192.