ITALIAN STATES. Papal States, Pius VII (1800-1823), copper Quattrino, 1821 R, Rome mint, obverse; PONTIFICAT ANNO XXII (QUATTRINO), Papal arms, reverse; PIVS / SEPTIMVS / PONTIFEX / MAXIMVS, MDCCCXXI / R., KM1276.1, Berman-3244, EF, scarce type.
Reference; Allen G. Bermann, Papal Coins , Attic Books, 1991.
