Korea. (North Korea). 1955. Registered Air Mail envelope headed 'Department of the Army/ Neutral Nations Supervisory, Commission/ Inspection Team No 4/ Manpo (North Korea) addressed to Switzerland bearing SG N28, 1wn olive (imperf pair), SG N29, 1wn blue and red (block of four), SG N31, 2wn black and red, SG N47, 40wn carmine, SG N51, 20wn blue/red (2), SG N52, 120wn and SG N82, 5wn lake tied by Manpodate stamp with boxed hand-struck 'R/Korea/ Manpo' and Zurich arrival on reverse. Superb item from the United Nations Inspection Team.