Rare and desirable obverse legend with INVICT[vs] title. Only the 4th example of this exact type known.
Obverse: IMP C M AVR PROBVS INVICT AVG
Reverse: SOLI INVICTO; Sol in spread quadriga, holding whip
BUST TYPE: B = radiate, cuirassed bust right
FIELD / EXERGUE MARKS: -/-//KA•A•
WEIGHT 4.28g / AXIS: 12h / DIAMETER: 22-22,5mm