Arctic: Byrd North Pole Flight 1926: Envelope privately carried by Byrd on the flight, bearing U.S. 2c. tied by one of two strikes of NY-Alesund “–9 V 26” c.d.s., later carried on South Pole expeditions with Byrd II 3c. on reverse cancelled by Little America Jan. 31 1934 and Jan. 30 1935 duplexes, vertical crease and roughly opened but very scarce, having been held for many years in Byrd’s personal archive. Photo. (Image1)

Arctic: Byrd North Pole Flight 1926: Real photographic card incorporating four images of aspects of the flight, endorsed on reverse “To Fred Cleverly/(Wanganui)/N.Z./from Richard W. Konter/(Ukelele Dick)/Byrd Arctic (& Antarctic Expedition” and with printed description (foxed). Also 1935 commemorative cover with Byrd II 3c. cancelled by SS “Jacob Ruppert” May 9 1935 duplex. Photo. (Image1)