King of Spain from 1886 until 1931, who was proclaimed king at birth and assumed leadership at just 16 years old (1886–1941). Manuscript DS, in Spanish, signed “Alfonso,” one page both sides, 9.5 x 13, September 13, 1919. An official letter of state to the president of Bolivia introducing Don Jaime de Ojeda y Brooke, as a Minister Plenipotentiary. Boldly signed at the conclusion by Alfonso and countersigned by Salvador Bermudez de Castro. Central horizontal and vertical folds, slight paper loss to rough right edge, and a bit of trivial soiling, otherwise fine condition. RR Auction COA.
