Watch List notes:

Probus, 276-282. Antoninianus (Billon, 23 mm, 4.61 g, 1 h), Rome, S = 6th officina. PROBVS P F AVG Radiate and cuirassed bust of Probus to right. Rev. PROVIDENTIA AVG / RTS Providentia standing left, holding globe in right hand and scepter in left. RIC 181. Lightly silvered. Very fine.

From the Berliner collection, formed between 1970s and early 2000s.