Caracalla, AR denarius, 19mm. 217 AD. 

ANTONINVS PIVS AVG GERM, laureate head right
P M TR P XX COS IIII P P, Sol, naked except for chlamys 
draped across chest and over left shoulder, standing left, holding whip and raising right hand. 

RIC 293f.

With permission of cngcoins.com, the AK collection.