Watch List notes:

KINGS of MACEDON. Antigonos I Monophthalmos. As Strategos of Asia, 320-306/5 BC. AR Tetradrachm (24.5mm, 16.90 g, 9h). In the name and types of Alexander III. Sardes mint. Struck circa 318-315 BC. Head of Herakles right, wearing lion skin / Zeus Aëtophoros seated left; monograms in left field and below throne. Price 2680 var. (monogram below throne). Near VF, lightly toned, small area of flat strike.

From the Colin E. Pitchfork Collection. Ex Classical Numismatic Group Electronic Auction 209 (22 April 2009), lot 71.