Probus Antoninianus, struck AD 276-282 at Ticinum mint.
Obv: VIRTVS PROBI INVICTI AVG, radiate, helmeted,
cuirassed bust left with spear and shield.
Rev: SECVRIT PERP / VIXXI (in exergue) / I (in right field), Securitas
standing left leaning on coloumn.
3,87 g, 22 mm.
RIC 527
rare