Roman Imperial
Probus (276–282), Antoninianus 276-282, Siscia mint
Obverse: bust of Probus, radiate, helmeted, cuirassed, left, holding spear and shield
IMP PROBVS P F AVG
Reverse: Pax standing left, holding twig and sceptre, T in left field, XXI exergue
PAX AVGVSTI
Diameter 21 mm, weight 3.48 g