Desirable program from the signing of the North Atlantic Treaty in Washington, DC, on April 4, 1949, four pages, 7.5 x 10.5, bound with navy blue string. Includes the original admission card for the signing ceremony. In very good to fine condition, with scattered marks and toning to the front cover. Accompanied by a much later folder from NATO's London Summit at Lancaster House on July 5-6, 1990, containing a pad of blank NATO stationery and four unused London postcards.