Watch List notes:

Probus. AD 276-282. Antoninianus (23mm, 4.10 g, 5h). Siscia mint, 5th officina. 7th emission, AD 280. Radiate, helmeted, and cuirassed bust left, holding spear over shoulder and shield decorated with warrior on horseback motif / Probus on horse leaping left, preparing to spear fallen horseman below; V/XXI. RIC V 818; Alföldi, Siscia V, type 98.66; Pink VI/1, p. 53. Near EF, toned, much silvering remaining.