Ancient Roman AE Sestertius of Emperor Antoninus Pius / Rome

This is an ancient Roman AE (Orichalcum) Sestertius, of Emperor Antoninus Pius, minted at Rome between 155 - 156 AD 

Obverse: ANTONINVS AVG PIVS PP IMP II, laureate head right

Reverse: TR POT XXI COS IIII, Roma seated left on cuirass, foot on helmet, holding Victory and parazonium; shield behind. S-C in exergue.

A wonderful ancient coin with a nice dark green patina, this coin was originally found in Rochester some 40 years ago.

CULTURE: ROMAN

DENOMINATION: Sestertius

MATERIAL: AE (Orichalcum)

DATE: 138 - 161 AD (minted at Rome between 157 - 158 AD)

SIZE: 30mm diameter

WEIGHT:  21.38 grams

ATTRIBUTION:  RIC III 979a; Strack 1147; Banti 490; BMC 2036.

PROVENANCE: Private collection. Originally found in Rochester, United Kingdom.