Pergamum, Eumenes I. Tetradrachm; Pergamum, Eumenes I; 263-241 AD. Pergamon mint. Struck c. 255-241 BC, Tetradrachm, 16.73g. SNG von Aulock-1355. Obv: Laureate head of Philetairos r. Rx: Athena seated l., resting elbow on small sphinx, holding shield and transverse spear; monogram on throne, ivy leaf to inner l., FI?ETAI?OY and bow to r.. VF