Thirty FDCs and commemorative covers, each signed on the front by a different United States World War II ace. Signers are: Gerald Johnson, John Strane, Jack Lenox, Robinson Risner, J. Hunter Reinburg, Jay Robbins, Bruce Porter, Robin Olds, W. Robert Maxwell, Robert Johnson, James E. Hill, Ivan Hasek, T. S. Harris, Gordon Graham, Herschel Green, H. A. Probert, Robert Goebel, Francis Gabby Gabreski, Harold Comstock, Jim Billo, Henry W. Brown, Richard E. Turner, Donald J. Strait, Harry W. Swinburne Jr., Paul Murphey, Barrie Davis, Robert Coats, James Morehead, David McCampbell, and Roger Mehle. RRAuction COA.