Rare and desirable obverse legend with INVICT[vs] ("invincible") title in combination with a rare reverse type for Serdica (RESTITVTOR ORBIS), struck only during the brief 5th emission. Apparently only the 4th example of this exact type known in the world!
Obverse: IMP C M AVR PROBVS INVICT AVG
Radiate cuirassed bust right.
Reverse: RESTITVTOR ORBIS / MS / KAA
Emperor standing right, holding sceptre and receiving globe from Jupiter standing left, holding sceptre
Bilon, diameter 21,5 mm, weight 3,12 g.