Giovanni Maria Mastai Ferretti, PIE IX (1792-1878) Pope in 1846. P.S. with one autograph line, [Rome 1875]; 1 page in-4; in Latin. Autograph blessing signed "Benedicat Te Deus P. PP.IX" at the bottom of a supplication in Latin from Auguste Leroyer, teacher at Sainte-Marie de Tinchebray, in the diocese of Séez (Orne), with a letter of dispatch from the Nunciature of France (March 26, 1875).