Thrace, Istros, AR Drachm, c. 400-300 BC, two male heads facing, on inverted, rev. ISTRIN, sea-eagle flying left upon a dolphin, H to right field, D below, 5.75g (Dima Group IV, Subgroup III, 5; SNG BM Black Sea 245; SNG Stancomb -; AMNG I 431; HGC 3.2 1801), lightly toned, good fine.
Estimate: £300 - £400