Antoninus Pius. AE Dupondius. 140-144 AD. 

ANTONINVS AVG PIVS PP, radiate head right
TR POT COS III S C, Romulus advancing right, holding spear and 
trophy. 

Strack 891 (citing specimens in Florence and the Vatican);
RIC III, 665 var.

Not in RIC as dupondius with this rev. legend. RIC 665 lists 
"ROMVLVS AVGVSTO" for this reverse.

With permission of Roma Numismatics, March. 2010