Tetradrachma of Seleukos I Nikator, minted in the name of Alexander III.
Obverse: Head of Heracles in the scalp of a lion, right.
Reverse: Zeus seated on throne left, holding eagle and scepter, in left field monogram in laurel wreath, under throne MI, legend AΛEΞANΔPOY / BAΣIΛEΩΣ.
Silver, diameter 27 mm, weight 17.02 g.