Probus (276-282).AE Antoninianus, Rome mint.Obv. PROBVS PF AVG. Radiate and cuirassed bust right.Rev. ADVENTVS AVG. Emperor riding left, right hand raised, left holding sceptre; at foot, captive; in exergue, R thunderbolt Z.RIC 158 var. (no letter in reverse field).AE.g. 3.99 mm. 21.00Fully silvered and superb.Good EF.