Watch List notes:

Probus, 276-282. Antoninianus (Billon, 24 mm, 4.03 g, 6 h), Serdica, 277. IMP C M AVR PROBVS P AVG Radiate and cuirassed bust of Probus to right. Rev. SOLI INVICTO KAΓ Sol, head left, raising hand and holding whip, in spread quadriga facing. RIC 864. Well centered attractive example. About extremely fine.