Watch List notes:

Probus Æ Antoninianus. Serdica, AD 280-281. IMP C M AVR PROBVS P F AVG, radiate, helmeted and cuirassed bust left, holding spear over shoulder and shield / VIRTVS PROBI AVG, Probus on horse rearing right, holding shield and preparing to spear fallen enemy to right; KA•Δ• in exergue. RIC 877-878. 4.37g, 23mm, 7h. Struck on a broad flan, perfeclty centred, virtually as struck, Good Extremely Fine.