Watch List notes:

KINGS of MACEDON. Antigonos I Monophthalmos. As Strategos of Asia, 320-306/5 BC. AR Fifth Tetradrachm (16mm, 3.12 g, 6h). Babylon mint. Struck under Peithon, circa 315-311 BC. Head of Herakles right, wearing lion skin / Club and quiver over bow; monogram in wreath to left, monogram to right. Price 3727 var. (monogram; same obv. die as illustration); Triton XVI, lot 300 (same dies [hammer $6100]). Toned, some porosity and roughness. VF. Extremely rare; this is the second known with this variety of the monogram, and the fourth known for this issue (the other two are in the ANS [inv. 1944.100.80995] and BM [inv. 1986,0553.1])..