Maximinus I Denarius, mule with reverse type of Severus Alexander from 229 AD. 

Obv: IMP MAXIMINVS PIVS AVG, laureate, draped & cuirassed bust right 
Rev: P M TR P VIII COSIII P P, Libertas standing left, holding pileus & scepter. 
Reka Devnia p137.

RIC calls this "semi-barbarous"; I'd call it a contemporary counterfeit, and wouldn't bother including it, if it didn't have a RIC number!