Caracalla, AV Aureus. Rome. 20 mm, 6.43 g. Struck AD 215. 

ANTONINVS PIVS AVG GERM, Laureate, draped and cuirassed bust right, seen from the back.
P M TR P XVIII COS IIII P P, Sol, radiate, standing front, 
looking left, holding globe and raising right hand. 

RIC 264d; Calicó 2721; BMC 134 note corr. = Cohen 286 corr. (bust type).

Extremely rare.

With permission of Leu Numismatik, Auction 7, lot 1172, 
Feb. 2019.