Dupondius - Antoninus Pius (BRITANNIA COS IIII S C; Britannia)
Technical Details
Obverse Lettering
ANTONINVS AVG PIVS P P TR P XVIII
Reverse Lettering
BRITANNIA COS IIII S C
Comments
Mass varies: 9–12.67 g;
Diameter varies: 24–25.4 mm;
Example of this type:
Trustees of the British Museum
Source:
Online Coins of the Roman Empire (OCRE)