Watch List notes:

Probus, 276-282. Antoninianus (Billon, 23 mm, 3.18 g, 6 h), Serdica, 2nd officina, 277. IMP C M AVR PROBVS P AVG Radiate and cuirassed bust of Probus to right. Rev. SOLI INVICTO /KAB• Sol, head left, raising hand and holding whip, in spread quadriga facing. RIC 864. About extremely fine.