Watch List notes:

Probus. AD 276-282. Antoninianus (24mm, 3.76 g, 12h). Serdica mint, 1st officina. 4th emission, AD 277. Radiate, helmeted, and cuirassed bust left, holding spear over shoulder and shield / Probus riding horse left, holding scepter and raising hand; to left, bound captive seated left; –|–//KAΔ. RIC V 886; Pink VI/1, p. 33. Brown patina, silvered reverse, flan crack. EF.