Inaugural Ceremony for Air Letter Sheet Sale1947-04-22unknownhttp://rightsstatements.org/vocab/NKC/1.0/enghttp://congressarchives.org/record/CAC_CC_033_5_8_1_0059The Post Office Department is holding a ceremony on April 29, 1947 to mark the sale of the first Air Letter sheet, aimed at increasing communication between nations and the United States. The Honorable Josh Lee is invited to attend the ceremony at ten o'clock in the morning in the Postmaster General's suite.