Pio VII (1800-1823), Rome, Silver Medal Yr. XXIII, 1823, Very rare, Annual. Expansion of the Vatican Museums, The New Arm of the Chiaramont Museum, in exergue: NOVVM MVSEVM PIVM A • D • MDCCCXXII CERBARA F. Opus: Giuseppe Cerbara. Ø 42 mm. Ag. 34,73 g, Patrignani 108 bis, VF+