From the Nemesis Ancient Coins vcoins.com store:
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                  Caracalla, A.D. 196-217 AE HADRIANOPOLIS


                  OBVERSE: Laureate Bust right
                  REVERESE Hygeia feeding serpent from patera
                  26 mm - 10.4 grams

                        Price 
                          US$ 75  € 59.80
                         £ 40.73
                         AUD$ 98.05
                         CHF 92.16
                         CAD$ 89.11

                        Rates for 9/2/2005