Vintage fountain pen signature, “Best wishes, Harry Truman, USS Mo.,” on an off-white 4.5 x 3 custom-made collector’s card bearing a clipped August 2, 1944, postmark affixed to the lower left. In fine condition, with mild overall toning, light rippling to edges, and mounting remnants to reverse. Accompanied by 58 letters, slips, and cards (many with affixed postmarks and portraits) each signed by a member of his cabinet. Signers are: George Marshall (2), Fred M. Vinson, Tom C. Clark (2), Dean Acheson, James Forrestal (3), Henry A. Wallace (4), Jesse M. Donaldson (2), Henry L. Stimson (2), Harold L. Ickes (3), Robert P. Patterson, John Wesley Snyder (2), Charles W. Sawyer (2), Kenneth Claiborne Royall, Clinton P. Anderson, W. Averell Harriman, James F. Byrnes, Robert E. Hannegan, Charles F. Brannan (2), Henry Morgenthau, Jr. (3), Francis Biddle (3), Frank C. Walker (2), Edward Stettinius, Jr. (2), Frances Perkins (3), Maurice J. Tobin (2), Lewis B. Schwellenbach, Claude R. Wickard (2), Alben W. Barkley, Julius A. Krug (2), Oscar L. Chapman, J. Howard McGrath, Robert A. Lovett, Louis A. Johnson, and James P. McGranery. In overall fine condition, with various light toning, rippling, and a few creases. RR Auction COA.