Chinese military officer and politician (1887–1975), one of the most durable leaders of the 20th century, who led the government of Republic of China from 1928 until his death. Bold ink signature of Chiang Kai-Shek, in Chinese, on an off-white 3.5 x 2 card bearing a commemorative postage stamp; and two ink signatures of Madame Chiang Kai-Shek on individual off-white cards, each also bearing a commemorative postage stamp. Accompanied by the original 1961 letter of transmittal for Madame’s signatures, as well as the original mailing envelope. In fine condition. RRAuction COA.