Watch List notes:

MYSIA, Kyzikos. Circa 550-450 BC. EL Hekte – Sixth Stater (10mm, 2.66 g). Head of Athena left, wearing Corinthian helmet; to right, tunny diagonally downward left / Quadripartite incuse square. Von Fritze I 64; Greenwell 26; cf. Boston MFA 1432 = Warren 1445 (stater); SNG BN –; BMC 20; cf. FSD 17 (stater); cf. Gulbenkian 608 (stater); cf. Jameson 2168 = Weber 4970 (stater); Pozzi 2164; cf. Rosen 445 (stater). In NGC encapsulation 4241617-002, graded Ch XF, Strike: 5/5, Surface: 4/5. Very rare as a hekte, only five in CoinArchives.