Watch List notes:

ITALY. Papal States. Pius XI (Ambrogio Damiano Achille Ratti), 1922-1939. Medal (Bronze, 44 mm, 33.52 g, 12 h), Pontifical Academy of Science by Mistruzzi, Rome, Anno XVI = 1937. PIVS · XI · PONTIFEX · MAXIMVS · ANNO · XVI / M/IS/TR/VZ/ZI Capped bust of Pius XI to left, wearing stola. Rev. PONTIFICIA · ACADEMIA · SCIENTIARVM · RESTITVTA / ≈ DEVS · SCIENTIARVM · DNS · CREAVIT · EOS ≈ Medals of Michaelangelo, Leonardo da Vinci, and Alessandro Volta, each with their facing portrait and inscribed with their name, atop a wreath of olives. Rinaldi 131. Reddish-brown patina. Extremely fine.

From the Dr. Pelc Dens Sapientiae Collection, USA.