Probus (276-282). AE Antoninianus, Ticinum mint. Obv. IMP C PROBVS AVG. Radiate and cuirassed bust right. Rev. SECVRIT PERP. Securitas standing left, legs crossed, leaning on column, right hand raised to head; in exergue, ΓXXI. RIC 573. AE. g. 3.99 mm. 22.50 Good VF/EF. Fully silvered.