Probus, Antoninianus, 278, Fifth (?) Emission, Siscia, Officina 6IMP PROBVS P F AVGRadiate bust left in imperial mantle, scepter surmounted by eagle in right handPAX A_VGV_STIPax standing left, olive branch upward in right hand, scepter in left VI in right fieldXXI in exergue 21mm x 22mm, 3.62g