Septimius Severus, Sestertius, Rome, AD 197-198. 29mm; 16.34 g. 

L SEPT SEV PERT AVG IMP X, laureate head right, slight drapery on left shoulder. 
VICT AVGG COS II PP S-C, Victory walking left, holding wreath and palm branch. 

RIC 748* note ("Victory right"); BMCRE V p. 154, +.
Very rare.

From the AK Collection.