From the Glenn Woods vcoins.com store:
http://www.vcoins.com/ancient/glennwoods/store/dynamicIndex.asp
 
Carausius, 286-293, Silvered Bronze Antoninianus, 
RIC-V-II-100-C, struck 287-293 at London, 3.66 grams, 27 mm. 
VF

Obv: IMP C CARAVSIVS PF AVG - Radiate and draped bust of 
Carausius facing right
Rev: PAX AVG SP MLXXI - Pax standing left holding olive-branch 
and vertical sceptre
Nicely centered and struck obverse with some weakness on 
reverse, but easily discernable type. Some silvering present.

      Price 
        US$ 255  € 209.44
       £ 142.09
       AUD$ 338.43
       CHF 324.06
       CAD$ 310.64

      Rates for 8/18/2005