Watch List notes:

KINGS of MACEDON. Antigonos II Gonatas. 277/6-239 BC. AR Tetradrachm (27mm, 16.99 g, 7h). In the name and types of Alexander III. Amphipolis mint. Struck circa 277/6-275 BC. Head of Herakles right, wearing lion skin / Zeus Aëtophoros seated left; crescent and two monograms in left field, monogram below throne. Price 613; Mathisen, Administrative, Group III, 7. VF, toned.

From the Colin E. Pitchfork Collection. Ex Classical Numismatic Group Electronic Auction 348 (8 April 2015), lot 188.