KK Covers

Beautiful Kolor Kover cachet. Booklet pane of 6, 7 cents Air Mail FDC, postmarks July 31, 1958 (San Antonio, TX).

The first scheduled U.S. Air Mail service began on May 15, 1918, using U.S Army Curtiss JN-4 "Jenny" biplanes operating on a route between Washington, D.C. (Washington Polo Grounds) and New York City (Belmont Park) with an intermediate stop in Philadelphia (Bustleton Field). Among those who were on hand for the departure of the first flight from Washington, D.C., were President Woodrow Wilson, U.S. Postmaster General Albert S. Burleson, and Assistant Secretary of the Navy Franklin D. Roosevelt.