MYSIA. Pergamon. Attalos II Philadelphos (160-139 BC). Ae .
Obv: Head of Athena in Attic helmet right. Rev: ΦIΛETAIΡOΥ. Serpent coiled right; monogram in left field.
SNG BN 1650-51.
Condition: Very fine.
Weight: 4.74 g. Diameter: 14 mm.