Carausius, AE antoninianus, Uncertain British mint. 20mm, 4.52 g.

IMP CARAVSIVS PF AVG, radiate, draped and cuirassed bust right.
ADVENTVS AVG, emperor on horseback riding left, holding sceptre and raising right hand, captive sitting left before the horse. 
No mintmark.

RIC V-2, 732 (this coin); Cohen 5; Webb 821 (this coin).

With permission of Roma Numismatics Ltd - Auction XX, Lot 661, Oct 2020