Watch List notes:

Probus, 276-282. Antoninianus (Billon, 21 mm, 3.31 g, 12 h), Siscia, 2nd officina (S), 277. IMP C M AVR PROBVS P F AVG Radiate bust of Probus to left, wearing imperial mantle and holding eagle-tipped scepter in his right hand. Rev. PAX AVG / XXIS Pax advancing left, holding olive branch in right hand and long scepter in left. RIC 704. Dark green patina. Cleaning marks, minor porosity, otherwise, good very fine.