Watch List notes:

BITHYNIA, Kalchedon. Circa 260-220 BC. AR Tetradrachm (27.5mm, 16.24 g, 1h). In the name and types of Alexander III of Macedon. Head of Herakles right, wearing lion skin / Zeus Aëtophoros seated left; monograms in left field, grain ear on exergue line. Price 922 (Kallatis); Türkoğlu –; HGC 7, 521. VF, toned.

From the collection of Dr. Will Gordon.