Probus. A.D. 276-282. AE antoninianus (22.9 mm, 4.15 g, 6 h). Serdica mint, struck A.D. 277. IMP C M AVR PROBVS AVG, radiate bust left in imperial mantle, holding eagle-tipped scepter / SOLI INVICTO, Sol driving facing quadriga, head left, holding whip and raising hand; KA·Δ· in exergue. RIC 862. EF, flan crack.