Probus, AE Antoninianus, Siscia. AD 276-282. 22.5 m, 3.1 g. IMP C PROBVS PF AVG, radiate, cuirassed bust right. PAX AVG, Pax, standing left, holding branch and transverse sceptre. Q in right field. Mintmark XXI. RIC V-2 Siscia 706; Cohen 401-403. Contributed by Nick Zacny, Feb. 2018.