Claudius, AE antoninianus, Rome mint.

IMP CLAVDIVS AVG, radiate head right.
SECVRIT AVG, Securitas standing front, looking left, 
legs crossed, leaning on column and holding short sceptre.
XI in right field.

Cunetio hoard 2231, Appleshaw hoard 259; RIC V-1, 100 Rome var (obv legend and fieldmark)