Mysia, Pergamon, AE (Bronze, 17mm, 2.64g), 1st half 2 century BC
Obv: Head of Athena to right, wearing crested Attic helmet decorated with a star on the bowl.
Rev: [A]ΘHNAΣ - NIKHΦOPOY, owl standing facing, wings spread, on palm frond, K - Σ in fields.
Ref: BMC 197-9, SNG Paris 1920-2.