Greek Kingdom of Bithynia, Prusias I Chloros (238-182 BC), AE (Bronze), ca. 230-182 BC. Obv: Laureate head of Apollo right. Rev: BAΣ[IΛ]ЄΩ[Σ] ΠΡOYΣ[IOY], lyre with four strings (kithara?).
Weight:1,8 gr Diameter:12,4 mm