From the Barry & Darling vcoins.com store:
http://www.vcoins.com/ancient/barryanddarling/store/dynamicIndex.asp
                   
                  Maximus AE 24, Alexandria Troas, 235 - 238 AD

                  Maximus (as Caesar, 235 - 238 AD) AE 24 (bronze, 24 mm, 7.47 
                  grams) minted at Alexandria Troas under his father, Maximinus. 
                  Bare head right Eagle flying right bucranium in talons. Rare. 



                        Price 
                          US$ 125  € 100.62
                         £ 67.97
                         AUD$ 161.66
                         CHF 155.26
                         CAD$ 147.01

                        Rates for 9/9/2005