Ancient Roman Silver Denarius of Emperor Antoninus Pius / Caduceus

This is an ancient Roman Silver Denarius, of emperor Antoninus Pius, minted at Rome between 145 - 161 AD 

Obverse:  ANTONINVS AVG PIVS PP, "Antoninus, emperor, Pius, father of the nation"  laureate head right.

Reverse: COS IIII, "Consul for the fourth time" Clasped hands holding grain ears & caduceus

CULTURE: ROMAN

DENOMINATION: Denarius

MATERIAL: Silver

DATE: 138 - 161 AD (minted at Rome between 145 - 161 AD)

SIZE: 19.4mm diameter

WEIGHT:  3.2 grams

ATTRIBUTION:  (RCV 2000 Edition) Number 4078, RIC 136, RSC 344, BMC 530

PROVENANCE: Formerly in a private collection. London.