PROBUS, A.D. 276-282. BI Antoninianus (3.76 gms), Siscia Mint, 1st Officina, A.D. 280-281. NGC MS, Strike: 5/5 Surface: 4/5. Silvering. RIC-644. Obverse: Radiate, draped, and cuirassed bust right; Reverse: Jupiter standing left, holding scepter and presenting victoriola to Probus standing right, holding scepter; A//XXI. This example features a good deal of silvering than is generally encountered for these types.