Macedonian Kingdom. Philip V. 221-179 B.C. AE 20 mm (7.23 g). Ca. 183-179. 

Head of Herakles right, wearing lion's skin headdress.
Harpa, DI monogram above; all within oak-wreath. 

SNG Alpha Bank 1116; Mamroth B25a. 
Choice VF, attractive green patina with sandy highlights. 

Courtesy of Moneta Numismatics on vcoins, Feb. 2012