MACEDON. Kingdom of Macedon. Alexander III (the Great), 336-323 B.C. AR Tetradrachm, Macedonia Mint. NGC AU.Pr-79b; Muller-392. Obverse: Head of Heracles facing right, wearing lions scalp; Reverse: Zeus enthroned left, holding eagle and scepter, bird in left field. Lightly toned with strong detail in the portrait due to a bold strike.