Watch List notes:

Mysia. Cyzicus. c. 520-450 BC. EL Stater, 16.19g. Obv: Gorgoneion facing, mouth open, tongue protruding. Below, tunny fish. Rx: Quadripartite incuse square. Fritze 129, pl. IV, 15. Boston 1445. It is very rare to find an electrum stater of Medusa let alone one of this spectacular quality. EF.

Ex Jonathan Rosen Collection.