216 AD., Caracalla, Rome mint, Antoninianus, RIC 280e.

Caracalla, Rome mint, 216 AD.,
Antoninianus (22-23 mm / 5,30 g),
Obv.: ANTONINVS PIVS AVG GERM , radiate, draped, and cuirassed bust of Caracalla right, seen from behind.
Rev.: P M TR P XVIIII COS IIII P P , Serapis, wearing kalathos, standing r., head l. (places weight on l. leg but looks left), raising right hand and holding sceptre in left.
RIC IV, I, 253, 280e (scarce) ; BMC 167 ; RSC 349a .