Antoninus Pius AV aureus, AD 148-149. 7.33 g. Rome

ANTONINVS AVG PIVS P P TR P XII, laureate head right, 
with aegis on left shoulder.
COS IIII, Aequitas standing left, holding   scales and cornucopia. 

RIC 177 var (aegis); RSC 235-237  var (ditto); BMC 649-650 var (aegis).

With permission of numislanz.de, Auktion 102, lot 588