Perinthus, Thrace; AE 16mm, Autonomous issue; 3rd Cent. AD; 

Obv: no legend, head of youthful Dionysos right, wreathed
with vine leaves.
Rev: (from top right) PERINQIWN, lyre with four strings.

BMC 7.
Rare.

Courtesy of T&S Petrov, Jan. 2011