Born Niccolò Sfondrati (535–1591) who was Pope from December 5, 1590 until his death. LS, in Latin, signed “Greg.s pp XIV,” one page, 8 x 11, January 30, 1591. Untranslated papal letter assuring Cardinal Lancelotti that all vacant posts in the city and dioceses of Piacenza will be filled in with the persons he will suggest. In very good condition, with intersecting horizontal and vertical folds, and mild overall toning, staining, and soiling. Any item signed as Pope are a legendary rarity due to the short duration of his reign. RRAuction COA.