Registered airmail cover franked on front & reverse with 1953 25c on 2c violet & brown, 1970 pair 10c on 2c red brown & blue, 1972 5c 'Soldier' and 3 x 1975 10c 'Flags' issue (SG 515, 761, 796 & 860) all tied by SIGUATEPEQUE cds's with boxed 'AR SIGUATEPEQUE' registration marking on front. Addressed to CHRISTMAS ISLAND with various AUSTRALIAN and CHRISTMAS ISLAND transit and arrival cds's on reverse. Unclaimed and returned to sender. A rare destination.