Watch List notes:

Probus. AD 276-282. Antoninianus (23mm, 3.91 g, 6h). Siscia mint, 3rd officina. 7th emission, AD 280. Radiate, helmeted, and cuirassed bust left, holding spear and shield / Pax standing left, holding olive branch and scepter; T//XXI. RIC V 704; Alföldi, Siscia V 41.77; Pink VI/1, p. 53. Iridescent toning, traces of silvering remain. EF.