Watch List notes:

MACEDON. Kingdom of Macedon. Alexander III (the Great), 336-323 B.C. AR Tetradrachm (17.04 gms), Babylon Mint, ca. 323-317 B.C. NGC Ch VF, Strike: 5/5 Surface: 2/5.
Pr-3692. Early posthumous issue. Obverse: Head of Heracles right wearing lion's scalp; Reverse: Zeus enthroned left holding eagle and scepter, "M" in left field, monogram below throne, above strut.

Estimate: $300 - $500