Watch List notes:

Probus. AD 276-282. Antoninianus (24mm, 4.19 g, 11h). Serdica mint, 2nd officina. 4th emission, AD 277. VIRTVS PROBI AVG, radiate, helmeted, and cuirassed bust left, holding spear over shoulder and shield decorated with warrior on horseback and fallen horseman motif / ADVENTVS PROBI AVG, Probus riding horse left, holding scepter and raising hand; to left, bound captive seated left; KAB. RIC V 837; Pink VI/1, p. 33. EF, minor porosity.