Watch List notes:

Probus (276-282). AE Antoninianus, Serdica mint. Obv. IMP CM AVR PROBVS AVG. Radiate, helmeted and cuirassed bust right, holding spear and sceptre. Rev. VIRTVS PROBI AVG. Emperor galloping right, spearing enemy whose shield lies beneath horse; in exergue, KA•Δ•. RIC 878. AE. g. 3.86 mm. 24.00 About EF.