As of Antoninus Pius (138 – 161 AD)

Description

Obverse head to the right, ANTONINUS AUG(ustus) PIUS P(ater) P(atriae) TR(ibunicia) P(otestate) XVIII.

Reverse BRITTANIA CO(n)S(ulis) IIII . Brittania sits on a rock to the left, behind it a shield and a vexillum, below S(enatus) C(onsultum).

As, bronze, diameter 27 mm, minted in Rome or Brittania between 154 and 155 AD.