Antoninus Pius. Sestertius 140-144 AD. 25.8 gr.

Obv: ANTONINVS AVG PIVS PP TRP COS III, laureate head right,
slight drapery on left shoulder.
Rev: FELICITAS AVG, Felicitas standing left, holding 
capricorn and long, winged caduceus.

RIC 680v, BMC 1335v 

RIC lists this reverse only for an As.

Courtesy of Numismatica Ars Classica, Auction 29, lot 547. Added in July 2010.