Probus (276-282 AD). Uncertain mint. Antoninianus. Obv.: IMP C M AVR PROBVS P F AVG; radiate bust left in imperial mantle, holding eagle-tipped sceptre (scipio). Rev.: SOLI INVICTO; Sol in spread quadriga, holding whip and globe in left hand, right hand raised; clouds underneath the quadriga.
22mm 4.57g

Artificial sand patina