Watch List notes:

Further Coins From the Cabinet of Robert P. Ball | Thrace, Istros, AR Hemidrachm, c.350BC, two young male heads facing, side by side, one upright the other inverted, rev. ISTRIN, sea-eagle standing above dolphin left, clutching it in talons, 12h, 1.39g, (AMNG I, 446; SNG Cop, 200) lustrous and toned, very fine.
Provenance: Purchased by private treaty from Sternberg, 1993, CHF260
Estimate: £50 - £60