Virtually as struck and with full original silvering!
Extremely rare variant with an inverse P mintmark in the field.
Obverse: radiate, cuirassed and draped bust right, seen from back, legend:
IMP C M AVR PROBVS AVG;
Reverse: Emperor standing right, clasping hand of Concordia, legend:
CONCORD MILIT; In exergue XXI, in field inverse P;
Silver, diameter 21-22 mm, weight 3,62 g, axis 11 h.
From the collection of a true connoisseur of Probus’ coinage