Carausius AE Antoninianus. Camulodunum, 287-293 AD. 

Obv: IMP CARAVSIVS PF AVG, radiate, draped & cuirassed bust right
Rev: SALVS AVG, Salus, seated left by altar, holding 
sceptre, feeding serpent rising from altar: (CXXI 
or gamma XXI in ex). 

RIC V-2, 401, rated Scarce.

Used with permission of TimeLine Originals (www.time-lines.co.uk), June 2009