Septimius Severus, AE As 25 mm, 12.32 g, Rome, AD 196.

L SEPT SEV PERT AVG IMP VIII, laureate head right.
ADVENTVI [AVG FELICISS]IMO, SC below, emperor on horseback 
right, raising right hand, before him a soldier walking
 right, looking back, holding vexillum and the horse's bridle. 

RIC 731; BMC 607; Cohen 9

With permission of Leu Numismatik, auction 5, lot 664, Sept. 2018.
From the G.G. Collection.