Trajan Denarius, Rome, AD 116-117. 

IMP CAES NER TRAIAN OPTIM AVG GERM DAC, laureate, draped bust right.
PARTHICO PM TRP COS VI PP SPQR, Mars walking right, holding spear and trophy over shoulder. 

RIC 331; RSC 190c; Strack 252; Sear -.

With permission of TimeLine Auctions (www.timelineauctions.com), January, 2017