Harry Houdini, 1912 | From the collection of F. Nash
Yet another of Houdini’s letterheads. Previously: 1; 2; 3.
T. Sinclair & Son, 1883 | Source | Submitted by Kathleen Stocker
Patsy Cline, 1956 | Source
Woody Harrelson, 1988 | Source
Groucho Marx, 1943 | Source
Perfect.