Ancient Greek – Bronze Coin mints but King Philetairos, Mysia, Pergamon
Obv: Athena right wearing crested Corinthian-style helmet.
Rev: ΦΙΛΕΤΑΙΡ[ΟΥ] Serpent standing erect to right, monogram in left field.
158 – 138 BC. · Thrace, Odrysian · SNG BN 1650, SNG Cop. 343
Weight: 2.6g · Diameter: 16.3mm