Probus. A.D. 276-282. AE antoninianus (23.2 mm, 4.21 g, 1 h). Serdica mint, Struck A.D. 277. IMP C M AVR PROBVS P AVG, radiate bust left in imperial mantle / SOLI INVICTO, Sol driving facing quadriga, head left, holding whip and raising hand; KAB in exergue. RIC 864. VF, silvered. Scarce bust type.