The monumental plaster medallion portraying Antonio Canova is a cast from the marble work created for the Monument to Antonio Canova in the Basilica dei Frari. The casts of this portrait were presumably made as a gift to the subscribers of the Monument.

Gian nantonio Moschini , in a long article dedicated to Rinaldi's sculptural production, reminds us that the sculptor personally went to Villa Sargenti in Campoverardo (province of Padua) to create the bust of Federico Manfredini. The work, due to its quality, was reviewed in the Roman Memoirs of Antiquities and Fine Arts in 1824.

The entire composition is built on a door, an opening that crosses the complex longitudinally and which symbolizes the passage from this life to the heavenly one. In height, the monument is divided into three levels: on the first from the bottom, two lions guard the passage and, near them, stand two allegorical figures, Religion on the left and Funeral Genius on the right; the intermediate space is occupied by the actual sepulcher of Clement XIII, decorated with two bas -reliefs of virtues (Charity and Hope) and above which the deceased kneels in prayer with the papal tiara placed at his feet.

After working on the reproduction of these works for almost ten years, the Liberation of St. Peter was the last engraving that Giovanni Volpato made for the series, leaving the Bolsena Mass to his now son-in-law Raffaello Morghen. Each plate bears the dedication to PIO SEXTO PONT. MAX.: the pope was shown the prints as they were being made.