Carausius AE Antoninianus. Camulodunum mint. 

IMP CARAVSIVS PF AVG, radiate, draped, cuirassed bust right.
PAX AVG, Pax standing left, holding olive branch and vertical sceptre.
S-P across fields.
No mintmark.

RIC V-2, Camulodunum 478
Common.
Submitted by the finder in England, via Timeline Originals, May 2013.