Very rare and desirable small, round Parma shield. On this exmple there is dditionally a Medusa inside the Parma shield!
This is the only coin type with Medusa inside the Parma shield in the whole coinage of Probus! A coin of the highest numismatic interest!
The only example of this type available on the market (the remaining 3 examples cited by Alfoldi are all in public collections).
OBVERSE: IMP PROBVS P F AVG
REVERSE: CONCORDIA MILIT = emperor standing right, clasping hands with Concordia
BUST TYPE: E1 = radiate, cuirassed and helmeted bust left, holding spear and (Parma) shield
FIELD / EXERGUE MARKS: T//XXI
WEIGHT 3.63g / AXIS: 6h / DIAMETER: 20mm