Engraving with decorative border, SIGNED BY BYRD and the Chairman of the Company, James Bush. Framed and matted, sheet (420 x 265 mm). The certificate expresses great gratitude because “…without such assistance the accomplishment of the Expedition in the Antarctic would not have been possible”. -- [With:] Byrd Prize Letter Contest prospectus; color pictorial map of the Expedition; and other booklets related to Byrd.