Hadrian, AR denarius, Rome, AD 132-134. 

HADRIANVS AVGVSTVS, bare head left (draped?).
SECVR PVB COS III P P, Securitas seated left, holding sceptre and resting head on left hand. 

Unlisted bust type var of RIC 221a; RSC 1399b; BMCRE 570-572; Vienna 1309; New RIC II 1126A (bust type C2+/L).

Found in England by metal detectorist Paul Bancroft.