US First Flight Cover Pioneer Air Fort Worth Texas 1947 Signed Pilot Leon Green.

This US First Flight Cover is a treasured item for stamp collectors. It features a 5 cent denomination and was issued between 1941-1950 in the United States. The cover is of high quality and has been used. The multi-color design depicts an aviation theme, specifically the event of the First Flight. The cover is ungraded and has a machine cancel type. It is uncertified but contains a signature from pilot Leon Green. This item is a must-have for collectors interested in aviation and First Flight event covers.