As - Antoninus Pius (TR POT COS IIII S C; Securitas)
Obverse
Head of Antoninus Pius, laureate, right.
Lettering: ANTONINVS AVG PIVS P P TR P COS IIII
Reverse
Securitas, draped, standing left, holding sceptre in right hand and resting left arm on column.
Lettering: TR POT COS IIII S C
Technical Details
Obverse Lettering
ANTONINVS AVG PIVS P P TR P COS IIII
Reverse Lettering
TR POT COS IIII S C
Comments
Mass varies: 12.05–14.51 g;
Example of this type:
Trustees of the British Museum
Source:
Online Coins of the Roman Empire (OCRE)