Aden – Seiyun: 1952 (9 JUL) registered cover to Zurich, Switzerland franked 5c on 1a, 10c on 2a and 1/- on 1r tied double-ring Seiyun date stamps, registration at right with faults at left, envelope endorsed at top in red “BY AIR UP TO ADEN ONLY”, reverse with Aden transit, Italian transit and arrival cds (27.VII.)
