Total of (9) sheets of "The Mayflower Washington D.C." hotel stationary which are filled with notes that were handwritten by Moe Berg. Berg remains one of baseball's most intriguing historical figures and is best remembered not for his on field abilities, but rather his participation in a landmark series of exhibition games which were played in Japan in 1934. He joined Babe Ruth and some of the other great stars of the day for the trip with his selection coming at the behest of US Intelligence services. Views of Japan he captured on a 16mm camera provided vital and much needed information for the United States. He was later recalled to service by the CIA in 1952 and was asked to lean on his old contacts and travel to Europe to learn about the Soviet atomic bomb projects. These notes, dated Feb. 1, 1952, relate to that work and appear to include mention of numerous Russian names and locations and other information which he had gathered. Toning and some light general handling wear with along with some fold lines. Includes (9) full LOAs from PSA/DNA (one for each page): EX