As of Claudius (41-54 AD)

Description

Front head left TI(berius) CLAUDIUS CAESAR AUG(ustus) P(ontifex) M(aximus) TR(ibunicia) P(otestate) IMP(erator) P(ater) P(atriae).

Reverse CONSTANTIAE AUGUSTI, Constantia standing left, with helmet and long scepter, in field S(enatus) C(onsulto).

As, bronze, diameter 28 mm, minted in Rome, about 42 – 43 AD.

I