Watch List notes:

MYSIA, Kyzikos. Circa 450-330 BC. EL Stater (18.5mm, 16.11 g). Head of female left, hair in sphendone, on tunny left / Quadripartite incuse square. Cf. von Fritze I 106 (unlisted denomination); otherwise, unpublished. Edge splits. Good VF. Extremely rare as a stater, one of only six recorded, all in CoinArchives (the other five: Heritage 3085, lot 30014; CNG 115, lot 194 = Roma XV, lot 229; CNG 114, lot 236; Roma XIII, lot 276 = Roma IX, lot 329; Roma E-38, lot 220).

From the Jonathan P. Rosen Collection. Ex Classical Numismatic Group 93 (22 May 2013), lot 348 (hammer $13,000).