Antoninus Pius, AE sestertius, AD 138-161. 29.87 g, Rome Mint, struck AD 139. 

ANTONINVS PIVS AVG PP, laureate head right.
FORTVNA AVG around, COS II below, Fortuna standing left, holding rudder and cornucopiae. 

RIC III 536; Cohen 380 corr.

Sold by Stack's Bowers Galleries (& Ponterio) - Sale 168 - August 2012 ANA Auction, Lot 20503, Aug. 2012.