Very rare and desirable military bust type seen from the back with a beautiful shield decorated with Pegasus. Unpublished variant, unlisted by Alfoldi!
Obverse: IMP PROBVS P F AVG
Radiate, cuirassed bust left, holding spear and shield decorated with Pegasus, seen from rear; wide wreath ties of the corona radiata.
Reverse: PAX AVGVSTI / P / XXI
Pax standing left, holding olive branch and long sceptre.
Bilon, diameter 20,3 mm, weight 3,54 g.