Caracalla, AE Sestertius, 212 AD. Rome.

M AVREL ANTONINVS PIVS AVG BRIT, laureate head right.
P M TR P XV COS III P P S-C, Mars standing left, holding Victory, hand on shield, 
spear against arm, captive at feet.

RIC 490 var (consular year); Cohen 198-199 var  var (ditto).
RIC lists only ..COS IIII PP for this reverse and obverse.

Merzbacher auction 1910 ("General S.F.H." Collection), lot 1909.

With kind permission of Numismatica Ars Classica, Auction 29, lot 580.