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-Unlisted, struck 287-293 at London, 3.96 grams, 23.1 
mm. Choice VF

Obv: IMP C CARAVSIVS AVG - Radiate, draped and cuirassed bust 
of Carausius facing right
Rev: MARTI PACIF - Mars standing left, holding olive branch, 
spear and shield, 'S' in left field, 'P' in right field, 'C' 
in exergue
Unlisted variety, closest being RIC V-II 281, but with 
different legends. Especially well centered and struck with a 
touch of the normal central weakness on the reverse. 
Fully silvered and especially attractive.

       US$ 405  € 332.64
       £ 225.68
       AUD$ 537.50
       CHF 514.68
       CAD$ 493.37
      Rates for 8/18/2005