The autographs of the Olympic champions Jesse Owens and Sonja Henie, the Owens signature in blue marker pen on a first-day cover postmarked Washington

The autographs of the Olympic champions Jesse Owens and Sonja Henie, the Owens signature in blue marker pen on a first-day cover postmarked Washington DC May 10 1971; the Henie signature signed in ink on a 20th Century Fox publicity card (2)