735a, 3¢ BYRD ANTARCTIC EXPEDITION, UPPER RIGHT HORIZONTAL PAIR ON FDC, XF, tied to FDC with "NEW YORK/N.Y./FEB 10/11 AM/1934/NATIONAL STAMP/EXHIBITION STA." FDOI ccl. George F. Crane Co. blue and black cachet (Mell. #735a-26) with map of Antarctica covering front and back of cover, neat typed address. Mellone note "At least 3 are known to exist." Very clean and nice cover! VERY RARE! (Image)

$400