Watch List notes:

ANCIENT COINS. Greek. Bithynia, Kalchedon (c.367-340 BC), Silver Drachm, KAΛX, bull standing left, rev quadripartite incuse square, with granular surface, 3.83g (SNG BM Black Sea 104). Obverse a little off-centre, lightly toned, very fine.

Estimate: £140-180