Caracalla AE As, AD 198-217. 24 mm, 9.5 g. Struck AD 214.

ANTONINVS PIVS AVG GERM, laureate head right, slight drapery on left shoulder.
P M TR P XVII IMP III COS IIII P P S-C, Mars, helmeted, in 
military dress, cloak over left arm, standing left, right 
foot set on helmet, holding branch and vertical spear.

RIC 532a var (bust type); BMCRE 268 var (ditto); Cohen 261 var (ditto).

From the AK Collection.