Marshal Admiral of the Imperial Japanese Navy and the commander-in-chief of the Combined Fleet during World War II, known for orchestrating the attack on Pearl Harbor; he was killed in action in April 1943 after American code breakers identified his flight plans. Scarce ink signature in English and Japanese, "I. Yamamoto, Rear Admiral I. J. N.,” on an off-white 4.5 x 3.5 card. In fine condition, with light creasing to the upper right corner.
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