Constantius II, AE4, Rome. AD 337-340.

DN FL CONSTANTIVS AVG, laurel and rosette-diademed, draped, cuirassed bust right.
SECVRITAS REIP, Securitas standing facing, looking right, 
left elbow leaning on column, legs crossed, holding sceptre.

Mintmark R leaf S.

RIC VIII Rome 15: LRBC 591; Voetter 19.
Rated C2.

With permission of Gitbud & Naumann on vcoins.com, Oct. 2014.