Mytilene.
Hecte circa 412-378, EL 2.51 g. Forepart of winged lion l. Rev. Sphinx seated r. in linear square within incuse square. Boston, MFA 1695 (these dies). SNG Copenhagen 303. Bodenstedt 63.6 (this coin and this reverse illustrated).
Rare. About extremely fine

Ex Sotheby, Wilknson & Hodge 23 May 1894, Carfrae 224 and Bourgey 17-19 November 1957, Castro Maya, 99 sales. From a Distinguished Swiss Collection.