From Wayne Sayles vcoins store, 
http://www.vcoins.com/ancient/sayles/store/dynamicIndex.asp
                   

                  Alexandria, Egypt: Claudius / Caduceus 

                  AD 41-54, AE diobol, yr 11, 25mm, Laureate head r. / Caduceus 
                  between ears of corn. Emmett 78 11), Milne 119. VF with some 
                  light encrustation. 

                        Price 
                          US$ 110  € 87.62
                         £ 60.30
                         AUD$ 145.73
                         CHF 135.70
                         CAD$ 138.94

                        Rates for 5/20/2005