Very rare bust type unntoe in RIC with this type!
Obverse: radiate, cuirassed bust left, holding spear, legend:
IMP C M AVR PROBVS P AVG;
Reverse: Mars walking right, holding spear and trophy, legend:
VIRTVS PROBI AVG; In exergue XXI
Bronze, diameter 22 mm, weight 4,26 g, axis 5 h.
From the collection of a true connoisseur of Probus’ coinage