Drachm of Argos

Obv.: Head of Hera to r. wearing a earring and stephane ornamented with palmettes on her head; behind letter Σ (?) Rev.: Diomedes naked, but for a chlamys over his shoulders, wearing a pilos on his head, advancing to r. holding the Palladion in his left hand and a sword in his l.; around APΓEIWN with an additional N between the legs