Seleukos I 312-281 BC AR Tetradrachm - Babylon I mint. Struck in the name of Alexander III of Macedon, circa 311-300 BC.
Size:  26mm  Weight:  16.95 grams
Obverse:  Head of Herakles right, wearing lion skin
Reverse:  BASILEWS ALEXANDROU, Zeus Aetophoros  seated left; in left field, MI above lions head right; monogram in wreath below throne.

SC 82.3c; Price 3759.