Caracalla, AR Denarius 206-210 AD. Rome. 2,91 g. 

ANTONINVS PIVS AVG, laureate head right.
VIRTVS AVGG Emperor standing facing with spear and parazonium, 
at his feet river god and two captives. 

RIC 175

Courtesy of Münzen Ritter, on www.muenzauktion.com/ritter/
Dec. 2010