Caracalla AE As, AD 198-217. 28 mm, 11.5 g. Struck AD 201-210. 

ANTONINVS PIVS AVG, laureate head right, aegis on shoulder.
RESTITVTOR VRBIS, SC in ex, Roma, helmeted, seated left on 
round shield, holding palladium and spear. 

RIC 475; BMCRE 827; C. 550.
Rare.

From the AK Collection.