Valerian Billon Ant "Fides Militum" 
US $33.00
Jul-17-03
AAH on ebay. 

Valerian Billon Ant "Fides Militum" Valerian I AD 253-260
      AR/Billon Antoninianus 
Obv: IMP
      VALERIANVS P AVG - Radiate bust right, draped Rev: FIDES MILITVM
     - Fides Militum standing left, holding a standard and a vexillum.
        Milan mint: AD 257 -RIC Vi, 240, page 56 - Cohen 71, 3.01 g.