Silver antoninianus, 23mm, 4.23gm, issued AD 249-251 Rome mint.
Obv: IMP C M Q TRAIANVS DECIVS AVG, Radiate, draped, cuirassed bust right.
Rev: DACIA, Dacia, draped in long robe reaching feet, standing left, holding vertical staff with head of ass in right hand.
References: Sear 9368, RIC 12b, RSC 16.
This coin fits the following collection focus(es): Provinces.