Probus, Antoninianus, 281, Ninth Emission, Ticinum, Officina 6VIRTVS PRO_BI INVICTI AVGRadiate, helmeted, cuirassed bust left, spear in right hand over shoulder, shield decorated with dot pattern in leftSECVRIT PERPSecuritas standing facing, head left, left arm resting on cippus, right hand on head, left leg crossed in front I in right fieldVIXXI in exergue