Older brother of Napoleon; King of Spain (1808–13) and of Naples (1806–08). ALS in French, signed “Joseph, Cmte de Survilliers,” one page, 5 x 8, January 5, 1834. Untranslated letter to Aaron Vail. Second integral page bears an address panel in Bonaparte’s hand In fine condition, with light intersecting folds. RRAuction COA.