Mysia, Pergamon (ca 200-133 BC) AE
Obv: Head of Athena right, wearing helmet decorated with star.
Rev: AΘHNAΣ / NIKHΦOPOY, Owl standing facing on palm frond right, with wings spread. Controls: Π to left, Δ to right.
Ref: SNG BN 1925-8. 2,63g 18 mm