Carausius, AV aureus, 286–293 Aureus, Rotomagus mint. 4.79 g. 

IMP C CARAVSIVS AVG, laureate, draped, cuirassed bust right.
CONCORDIA MILITV, Concordia standing left, holding two 
standards. 

RIC 621; Shiel p. 148, 2 (this coin).

Courtesy of Numismatica Ars Classica, Auction 59, April 2011, lot 1152,
Price realized: 230,000 Swiss Francs, approx. $247,791.-