Watch List notes:

Probus, 276-282. Antoninianus (Billon, 23 mm, 4.33 g, 11 h), Ticinum, 5th officina (Q), 280. IMP C PROBVS AVG Radiate bust of Probus to left, wearing imperial mantle and holding eagle-tipped scepter in his right hand. Rev. MARTI PACIF /I/ QXXI Mars advancing left, holding olive branch, spear, and shield; in right field, star. Pink VI/1, p. 66. RIC V 507. Silvered, attractive and with an elegant bust. Extremely fine.
Ex Nomos 16, 10 May 2018, 214.