Carausius, AR denarius, London mint. 286-287 AD. 3,93 g.

IMP CARAVSIVS P F AVG, laureate, draped, cuirassed bust right.
CONCORDIA MILITVM, clasped hands. 
Mintmark RSR below. 

RIC 548.

With permission of Dane's bank, UBS Switzerland. Auction 
78 (2008), lot 1928. Sold for 3200 Swiss Francs (ca $2835 at 
the time)