Trajan Decius AV Aureus. Obv: IMP C M Q TRAIANVS DECIVS AVG, laureate, draped and cuirassed bust right, seen from the back. Rev: DACIA, Dacia standing left, holding a vertical staff surmounted by an ass's head. Friedberg 528; Cohen 12; RIC 12 var. RIC lists this coin only as a silver quinarius and as an antoninianus. Contributed by Razvan Pala, March 2011, ex Numismatica Ars Classica.