Three-cent Byrd Antarctic Expedition II autographed souvenir sheet, 1934 (engraving)

The 3-cent blue Byrd Antarctic Expedition souvenir sheet is imperforate, consists of six stamps, and bears plate number 21184. The Post Office Department issued it in 1934 for sale at the National Stamp Exhibition in New York City on February 10-19, 1934. Stamps in these panes were of the same design and dark blue color as the stamp originally issued in 1933 for use on mail from Byrd's base, Little America in the Antarctic. The souvenir sheet bears the autograph of Admiral Richard E. Byrd, the organizer and leader of Antarctic Expedition II. The item is from the Malcolm MacGregor collection of autographed stamps from around the world.