Carausius, AE antoninianus. uncertain British mint. 23 mm, 4.4 g. 

IMP C CARAVSIVS AVG, radiate, draped bust right.
MONET AVG, Moneta standing left, holding scales and cornucopiae. 

No fieldmarks or mintmark. 

RIC V-2, uncertain British mint 854.

With permission of Roma Numismatics auction XIII, Lot 1096, March 2017.

(The supposition that the rev legend is MONET AVG and not 
MONETA AVG is based on the positioning and size of the 
lettering)