Very rare!
Obverse: IMP PROBVS P F AVG
Radiate, draped and cuirassed bust right, seen from rear.
Reverse: CLEMENTIA TEMP / A / XXI
Emperor standing right holding scepter, receiving glob from Jupiter standing left leaning on scepter
Bilon, diameter 21,2 mm, weight 3,6 g.
Provenance: Paul Francis Jacquier Auction 46 lot 512 = ex Phlippe Gysen collection = Ex Harlan J. Berk, Chicago Mail Bid Sale 94 (1997) lot 611.