Antoninus Pius, Denarius (159-160 AD), Rome.

ANTONINVS AVG PIVS PP TR P XXIII, laureate head right.
FELIC SAEC IIII, Felicitas standing left, resting arm on 
column, holding caduceus. 

RIC 298, RSC 360
Ag, 3,70 g (16 mm)

Courtesy of www.veilinghuiseeckhout.be, April 2011.