Watch List notes:

Bithynia, Kalchedon AR Tetradrachm. Circa 387-340 BC. Bull standing to left on grain ear; KAΛX above, kerykeion and A to left / Quadripartite incuse square in mill-sail pattern. SNG BM Black Sea 94; SNG Copenhagen 351; HGC 7, 509; Leu 18, lot 1018 (same dies - hammer: 1,100 CHF). 14.95g, 21mm.

About Extremely Fine. Scarce in this condition.

From the Paulo Leitão Collection.