ISLANDS off THRACE, Samothrace. Circa 500-465 BC. AR Obol (9mm, 1.03 g). Sphinx seated left, raising forepaw / Quadripartite incuse square. Schwabacher, Fund 4d (same obv. die); cf. HGC 6, 308. Toned. VF. Very rare.
From the William H. Birkinshaw Collection. Ex Classical Numismatic Group 54 (14 June 2000), lot 531.