2c Washington US-stamps on envelope together with two Norwegian stamps (One 2 øre and one 15 øre Polarbear), cancelled "Ny-Ålesund 9.5.26". Signed by Richard Byrd during expedition when Byrd claimed to have flown to the North Pole. In addition, a Postcard with pictures of Commander Byrd and the aeroplane "America".

2c Washington US-stamps on envelope together with two Norwegian stamps (One 2 øre and one 15 øre Polarbear), cancelled "Ny-Ålesund 9.5.26". Signed by Richard Byrd during expedition when Byrd claimed to have flown to the North Pole. In addition, a Postcard with pictures of Commander Byrd and the aeroplane "America".