Macedonian Silver from the era of Alexander III (The Great)!
Silver Tetradrachm (24mm, 17.1g), 336 - 323 BC.
Obverse: Bust of Heracles wearing a lion skin right.
Reverse: Zeus seated left holding a scepter and an eagle. ALEXANDROY to right of Zeus.
A real piece of history from the time of Alexander the Great. Graded Choice Very Fine by NGC!