Watch List notes:

Probus, 276-282. Antoninianus (Billon, 24mm, 3.74 g 6), Serdica. DEO ET DOMINO PROBO INVICTO AVG Radiate bust of Probus to left, wearing imperial mantle and holding eagle-tipped scepter. Rev. VIRTVS PROBI AVG / KAΓ Probus on horseback right, spearing enemy; below, shield. Cohen -. RIC 885. Very rare. Cleaning scratches, otherwise, very fine.