Pope from 1823-1829. He reinstated authoritarianism in the Papal States and reorganized the Hispanic dioceses. LS in Italian, signed “Leo PP. XII,” one page, 8.75 x 11.75, December 13, 1823. The newly appointed Pope sends a letter to the Contessa di Castell’Alfer thanking her for her congratulations on the occasion of his coronation on September 28th. Integral second page bears an address panel in another hand, as well as a red wax seal. In fine condition, with intersecting folds, and some scattered light creasing. RRAuction COA.