Æ Antoninianus 

Helmeted Emperor Probus

(VIRTVS PROBI AVG)

Rare legend 

 Rv SECVRIT PERP 

3.70 grams 23mm 

Ticinum AD 281

Obv. VIRTVS PROBI AVG

Radiate Helmeted and cuirassed bust

 of Probus left carrying spear and shield

Rv. SECVRIT PERP

Securitas standing left hand raised to head leaning on column 

 I in right field

 VIXXI in exergue

 RIC VI 526