UNITED NATIONS NEW YORK. (*) 58/59, 62/63. Complete set (Social and Economic Congress) ARTIST PROOFS WITH NUMBER and complete set (Central Hall, London) COLOUR TRIAL PROOFS with hole and marks COLOUR AND DIE PROOF APPROVED. VERY FINE AND VERY RARE PROOF ENSEMBLE.
UNITED NATIONS NEW YORK. ** 521/36. Spectacular set of PRESENTATION PROOFS of different United Nations emissions, all with corresponding presentation folders (Courvoisier and Harrisons and Sons). VERY FINE AND RARE.
