Watch List notes:

PERSIA, Alexandrine Empire. temp. Mazakes – Bleitor. Satraps of Mesopotamia, circa 331-316 BC. AR Tetradrachm (24mm, 16.05 g, 3h). Imitating Athens. Helmeted head of Athena right, with profile eye / Owl standing right, head facing; olive sprig and crescent to left, Δ with "mark" above to right; [all within incuse square]. Van Alfen, Mechanisms, Group III.E; BMC Attica 270; MIG Type 13d; SNG Copenhagen 110; CNG E-154, lot 90. VF, toned, some roughness, cleaning marks, area of flat strike on obverse, shallow test cuts on reverse. Extremely rare, possibly the fourth known.