Project Mercury, postal stationery cover to 7 cent of the United States of America used from port Canaveral 20.2.1962 to New York. On face left a photo in stamp shape with signatur from Glenn, in addition to it centered 9 line violet rubber cancel "First U. S. Astronaut in orbit. Fired from Cape Canveral today on atlas Stretched. Lands A-OK in the Atlantic". In excellent condition. A piece contemporary history.