As - Antoninus Pius (BRITANNIA COS IIII S C; Britannia)
Obverse
Head of Antoninus Pius, laureate, right.
Lettering: ANTONINVS AVG PIVS P P TR P XVIII
Reverse
Britannia, seated left on rock, head propped on right hand, left hand on rock; to left, round shield and eagle-tipped sceptre.
Lettering: BRITANNIA COS IIII S C
Technical Details
Obverse Lettering
ANTONINVS AVG PIVS P P TR P XVIII
Reverse Lettering
BRITANNIA COS IIII S C
Comments
Mass varies: 3.86–15.22 g;
Diameter varies: 19.05–29 mm;
Example of this type:
American Numismatic Society (ANS)
Source:
Online Coins of the Roman Empire (OCRE)