Watch List notes:

Probus, 276-282. Antoninianus (Billon, 23 mm, 3.52 g, 5 h), Siscia, 1st officina, 277. IMP C M AVR PROBVS P AVG Radiate, helmeted and cuirassed bust of Probus to left, holding spear over his left shoulder, and decorated shield over the right. Rev. VIRTVS PROBI AVG /P/ XXI Mars advancing to right, holding transverse spear in his right hand and a trophy in his left. RIC 816. Good very fine.