Probus (AD 276-282).
Billon Antoninianus, mint of Ticinum.
Obverse: VIRTVS PROBI AV-G, radiate, helmeted and cuirassed bust of Probus, holding a spear over his right shoulder, facing left.
Reverse: SECVRIT PERP, Securitas standing left, leaning on a column, right, star in left field and I in right, VI XXI in exergue.
(RIC 527 var.)
About Extremely Fine. Superb portrait.