Pope from 1740 until 1758. He promoted science and laid the groundwork for the Vatican Museum. Handwritten endorsement, in Latin, signed “P. Cardinale Lambertini,” dated August 1732, on the reverse of a 15.25 x 9.5 vellum manuscript document prepared under Clement XI. Lambertini pens four lines, signing at the conclusion. Reverse also bears several other endorsements and notations. In very good condition, with intersecting folds, pencil notation under signature, and scattered toning and wrinkling. RRAuction COA.