http://www.thepersia.com/2012/08/parthian-coin-of-…
Arsaces I (247-211 B.C.)
Mint: Nisa (Located in Modern Turkmenistan)
Obv: beardless head wearing bashlyk;
Rev: beardless archer wearing bashlyk and cloak seated left on backless throne, holding bow in left hand.
Greek inscription = ΑΡΣΑΚΟΥ / ΑΥΤΟΚΡΑΤΟΡΟΣ which means Arsaces the Autocrat. He was the founder of the Parthian empire which ruled over Iran for almost five centuries.