Born Carlo della Torre di Rezzonico, he was Pope from 1758 to 1769. LS in Italian, signed “C. Cardle. Rezzonico,” one page, 7.75 x 11, 1738. Untranslated letter to a colleague. In very good condition, with intersecting folds, scattered toning and soiling, and some areas of light discoloration. RRAuction COA.
