Italian pope (1792–1878), born Giovanni Maria Mastai-Ferretti, who ascended the papal throne in 1846 and served until his death. Among the notable achievements of his 32-year reign, the longest in Roman Catholic Church history, Pius convened the historic First Vatican Council, which included the doctrine of papal infallibility. Manuscript DS, in Italian, signed “P. pp IX,” one page, 8.75 x 12.75, 1874. Untranslated blessing signed at the conclusion by Pius, who adds the date and a brief sentiment above his signature. Intersecting folds, some scattered light toning, and some scattered light spreading to ink in text, otherwise fine condition. RRAuction COA.
