Antoninus Pius, AR Denarius.

Obv: ANTONINVS AVG PIVS P P, laureate head of Antoninus Pius, facing right. 
Rev: TR POT COS III; she-wolf standing to right in a cave, suckling Romulus 
 and Remus. 

BMCRE 245; RSC. 915; RIC 95c.

With permission of cngcoins.com, the AK Collection.