Probus AE Antoninianus. 

Obv: IMP PROBVS P F AVG, radiate, helmeted, cuirassed bust left holding spear 
 and sheild 

Rev: SALVS AVG, Salus standing right feeding serpent in her arms, VII 
 (officina) to right, XXI in ex. 

Cohen 575.

Rated Scarce by RIC.

Contributed by Dane, May, 2003.