Sestertius - Antoninus Pius (COS IIII S C; Securitas)
Obverse
Head of Antoninus Pius, laureate, right.
Lettering: ANTONINVS AVG PIVS P P TR P
Reverse
Securitas, seated left, holding sceptre and propping head on left hand.
Lettering: COS IIII S C
Technical Details
Obverse Lettering
ANTONINVS AVG PIVS P P TR P
Reverse Lettering
COS IIII S C
Comments
Mass varies: 20.21–27.22 g;
Example of this type:
Trustees of the British Museum
Source:
Online Coins of the Roman Empire (OCRE)