Pio XI 1922-1939
Medaglia in argento, 1938, AN XVI, AG 41 g., 44 mm, Opus Mistruzzi
Avers : PIVS XI PONTIFEX MAXIMVS ANNO XVI
Revers : PONTIFICIA ACADEMIA SCIENTIARVM RESTITVTA DEVS SCIENTIARVM DNS CREAVIT EOS - MICHAELANGELVS LEONARDVS ALEX VOLTA Ref : Mont. 33, Rinaldi 131 Conservation : PCGS SP63