Carausius, AE antoninianus.

IMP CARAVSIVS PI A, radiate, draped, cuirassed bust right.
VIRTVS (AV)GVSTI, Emperor standing facing, head left, holding 
globe and spear.

RIC V-2, uncertain British mint 1055 var (rev. legend)
Rare.
Found in England.

Contributed by Dave Shelley, DG Coins, England, June 2012.