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En Wikipedia:
Oscar Benjamin Cintas, (1887 in Sagua la Grande, Cuba – 1957 in New York City, N.Y.) was a prominent sugar and railroad magnate who served as Cuba’s ambassador to the United States from 1932 until 1934.
Cintas also collected manuscripts and his acquisitions included the only first edition of Cervantes’ Don Quixote, and the fifth and final manuscript of Abraham Lincoln’s "Gettysburg Address", once owned by the family of Col. Alexander Bliss, and known as the "Bliss copy". Cintas’ purchase of the manuscript, for $54,000, in 1949, set a record at the time for the sale of a document at a public auction. Cintas' properties were claimed by the Castro government after the Cuban Revolution in 1959, but Cintas, who died in 1957, willed the Gettysburg Address to the American people, provided it was kept at the White House, to where it was transferred in 1959. The manuscript, the only one to which Lincoln added his signature, is exhibited in the Lincoln Bedroom of the White House.
