Watch List notes:

Bithynia, Kalchedon AR Tetradrachm. Circa 260-220 BC. In the name and types of Alexander III of Macedon. Head of Herakles right, wearing lion skin headdress / Zeus Aëtophoros seated left, holding sceptre; AΛEΞANΔPOY to right, monogram in left field, civic monogram below throne. Price 918 corr. (no royal title); HGC 7, 520. 16.85g, 29mm, 9h.

Near Extremely Fine, lightly toned.

From the inventory of a German dealer.