Watch List notes:

Probus. AD 276-282. Antoninianus (23mm, 3.86 g, 6h). Serdica mint, 4th officina. 4th emission, AD 277. IMP C M AVR PROBVS P F AVG, radiate, helmeted, and cuirassed bust left, holding spear over shoulder and shield decorated with warrior on horseback and fallen horseman motif / VIRTVS PROBI AVG, Probus riding horse left, holding scepter and raising hand; to left, bound captive seated left; KAΔ. RIC V 886; Pink VI/1, p. 33. Near EF, some silvering, minor porosity.