1956-57, Pair of airmail covers from Doha to the USA with philatelic frankings, one with British PO in Arabia 1952-54 1/2a, 1a (2), 1 1/2a, 2a, 4a and 6a; and other with BPO in Arabia 1/2a, 1a (2) & 2a plus Qatar1957-59 1np, 1 1/2np, 3np,15np, 20np and 25np (Image)