Watch List notes:

Probus, 276-282. Antoninianus (Billon, 23 mm, 4.36 g, 12 h), Ticinum, 280. IMP C PROBVS AVG Radiate bust of Probus to left, wearing imperial mantle and holding eagle-tipped scepter with his right hand. Rev. MARTI PACIF /I/ QXXI Mars advancing left, holding olive branch, spear, and shield. RIC V 507; Pink VI/1, p. 66. Silvered, attractive and with an elegant bust. Extremely fine.