Probus (276-282).     BI Antoninianus, Rome mint.   Obv.    IMP PROBVS AVG. Helmeted, radiate and cuirassed bust left, holding spear and shield.        Rev.   ROMA AETERNAE. Roma seated facing, holding Victory and sceptre, within hexastyle temple; beneath, R*Γ.     RIC V 195.     3.15 g.   25.50 mm.        An outstanding example, from a masterly engraved and perfectly detailed dies. Lovely glossy light brown patina on silver surfaces.    EF.