Rare antoninianus, R2 in the Roman Imperial Coinage catalogue.
Roman Imperial
Probus (276-282), Antoninianus 276-282, Siscia mint
Obverse: radiate, cuirassed bust right
IMP C PROBVS P F AVG
Reverse: she-wolf standing right, feeding twins, XXIT in exergue
ORIGINI AVG
Diameter 22 mm, weight 3.82 g