Caracalla, AR denarius, 208 AD.

ANTONINVS PIVS AVG, laureate head right.
PONTIF TR P XI COS III PROF, Caracalla right on horseback, holding spear; soldier 
walking right before, head reverted, holding spear and shield.

RIC 107 note; RSC 512; BMC S573.
Rated rare.

Used with permission of CNG (cngcoins.com), Sales no. 734786