From Mithras Ancient Art Caracalla 208AD AE28. Hadrianopolis. Emperor on horseback. Caracalla 208AD AE28. Hadrianopolis. Obverse: Bust of Caracalla right. Reverse: Emperor on Horseback, spearing enemy. Attendant behind. Price US$ 100 € 79.73 £ 54.30 AUD$ 130.73 CHF 122.87 CAD$ 118.82 Rates for 9/2/2005