Watch List notes:

Probus. AD 276-282. Antoninianus (20.5mm, 3.62 g, 6h). Siscia mint, 2nd officina. 7th emission, AD 280. Radiate and cuirassed bust right / Pax standing left, holding olive-branch and transverse scepter; –|S//XXI. RIC V 706; Alföldi, Siscia V 41.18; Pink VI/1, p. 53. Even black patina with light iridescent toning, a couple minor deposits. Good VF.