Best Description would probably be:
Amisos as Peireus,
Pontos, AR Persic
standard drachm400-300 BC.
Turreted, draped
bust of
Hera left, wearing necklace and earring
ΠEIΡA beneath
owl with spread wings, standing facing
Weight should be in the neighborhood of 5.5 grams or so
Yours looks like it was cleaned a little harshly to make it shiny for the
jewelry piece.