Caracalla, 198-217. Antoninianus (Silver, 21 mm, 5.22 g, 12 h), Rome, 217. ANTONINVS PIVS AVG GERM Radiate, draped and cuirassed bust of Caracalla to right, seen from behind. Rev. P M TR P XX COS IIII P P Serapis seated left on throne, wearing polos on his head, holding wreath of grain ears (?) in his right hand and long scepter in his left. BMC -. Cohen -, cf. 386 (differing bust type). RIC -, cf. 291c (differing bust type). Very rare. Minor weakness on the reverse, otherwise, very fine.