King of Spain, Portugal, Naples, Sicily, and, while married to Mary I, King of England and Ireland (born in 1527) who reigned between 1556 and 1598. LS in Spanish, signed “Yo el Rey (I the King),” one page both sides, 8.5 x 11.5, April 1,1590. Boldly penned letter to the Condessa de Salinas, ordering the reorganisation of the captains and soldiers under her jurisdiction for the better protection of the realm. Signed at the conclusion by the king and countersigned by the secretary of state, Andres de Prado. Second integral page bears an address panel in another hand. In very good condition, with a couple small separations along intersecting mailing folds, uniform toning, some scattered light foxing and creasing, and some ink erosion to signature. The seal affixed to integral second page is crisp and intact. RRAuction COA.
