Scott Catalog # : 4076a-f / Fleetwood First Day Covers.
Set includes: 4076a Robert D. Murphy / 4076b Frances E. Willis / 4076c Hiram Bingham IV / 4076d Philip C. Habib / 4076e Charles E. Bohlen and 4076f Clifton R. Wharton, Sr..
Have description of the stamp subject printed on the back.