Hadrian Denarius. 

IMP CAESAR TRAIAN HADRIANVS AVG, laureate, draped, cuirassed bust right 
P M TR P COS III, Roma seated left on cuirass, foot on helmet, holding Victory and spear. 

RIC 78; RSC 1098; Sear 3519 var ("shield behind"). 

With permission of TimeLine Originals (www.time-lines.co.uk), April, 2013