Ancients
BITHYNIA. Calchedon. Ca. 367/6-340 BC. AR drachm (3.66 gm). Bull standing left on grain ear; KAΛX above, caduceus and monogram to left / Quadripartite incuse square with stippled quarters. BM Black Sea 108. HGC 7, 511. Toned. NGC XF 3/5 - 3/5, light scratches.
Estimate: 300-400 USD