Mysia, Cyzicus.
Stater circa 450-400, EL 15.98 g. Head of Heracles r., wearing lion's skin headdress; below, tunny r. Rev. Quadripartite incuse square with rough surfaces. W. Greenwell, 'The Electrum Coinage of Cyzicus', NC 1887, 62 and pl. III, 13. von Fritze 140 and pl. IV, 26. Boston 1526. SNG France 289.
Very rare. A bold portrait struck on a full flan, very fine
Ex New York sale XXVII, 2012, Prospero, 446.