Watch List notes:

MYSIA. Kyzikos. Circa 500-450 BC. Stater (Electrum, 19.5 mm, 16.07 g). Forepart of a winged lioness to left, right forepaw raised; behind, tunny upward. Rev. Quadripartite incuse square. Cf. BMFA 1438 (hekte). Greenwell 117. SNG Paris 237 (same obverse die?). Von Fritze 96, and pl. III, 15 (same dies). A sharp and very attractive example. About extremely fine.
From a European collection, ex Roma XIII, 23 March 2017, 271.