Watch List notes:

Probus AD 276-282. Siscia
Antoninianus Æ silvered

21 mm, 3,42 g

IMP PROBVS P F AVG, radiate, draped, and cuirassed bust left, holding spear and shield / PAX AVGVSTI, Pax standing left, holding branch in right hand, transverse scepter in lef, P in the right field, XXI in exergue.

very fine

RIC 713.