Caracalla, AR Denarius. Nice Hercules Type AR Denarius of 

ANTONINVS PIVS AVG BRIT, laureate head right
P M TR P XVI COS IIII P P, Hercules, naked, standing half-
left, holding branch and club with lion's skin. 

RIC 206a; RSC 220. 

found in orphaned folder, ancientcoinart, August 2010.