Antoninus Pius as Caesar; Feb.-July 138 AD, Denarius, Rome, 3.56g. 

IMP T AEL CAES ANTONINVS, bare head right. 
TRIB POT COS, Minerva standing left, helmeted and with aegis on breast, holding Victory and shield resting on ground, spear leaning against her left forearm.

RIC 448; BMCRE 1007; Cohen 1057. 

With permission of Harlan J. Berk, Ltd. - Buy or Bid Sale 180, Lot 496, 16 Aug 2012.