ORC9532 Caracalla double denarius, Biga, aEF Caracalla, AR antoninianus, (5.84g) ANTONINVS PIVS AVG GERM Radiate, draped and cuirassed bust right. / P M TR P XVIIII COS IIII P P Diana or Luna in biga of bulls left. RSC363a; RIC 274. Toned Near EF, area of encrustation on obverse, heavy flan. OldRomanCoins.com