Watch List notes:

Probus, 276-282. Antoninianus (Billon, 23 mm, 3.04 g, 12 h), Ticinum, 278. VIRTVS PROBI AVG Radiate, cuirassed and helmeted bust of Probus to left, holding shield and spear over right shoulder. Rev. PAX AVGVSTI / V XXI / T Pax standing left, holding branch and long scepter. RIC 517 var. (no star). Sharply struck, very attractive. Extremely fine.