Trajan Decius AR Antoninianus. 

Obv: IMP C M Q TRAIANVS DECIVS AVG, radiate, draped & cuirassed bust right 
Rev: PANNONIAE, two Pannoniae facing each other, shaking hands in front of 
 standard in the center. 

RIC 26, RSC 81.

[imported from dirtyoldcoins.com, Sept.07]