Skythia, Olbia. civic issue. Ca. 310-280 B.C. AE 21 (21.1 mm, 9.83 g, 11 h). Bearded head of river-god Borysthenes left / OΛBIO, ethnic vertically upwards to right of battle-axe and bow in case; uncertain letters or monogram to left. Cf. SNG BM Black Sea 460-482; Cf. SNG Pushkin-207/212; Cf. SNG Stancomb 369. Good VF, smooth dark-chocolate brown patina.