Antoninus Pius AR Denarius AD 138-161.

ANTONINVS AVG PIVS P P TR P XII - Laureate head right 
COS IIII, Aequitas standing left, holding scales and cornucopiae. 

Rome mint: 
RIC III, 177Da; RSC 238 

With permission of TimeLine Originals (www.time-lines.co.uk), November, 2012