2022-05-172022-05-171958https://hdl.handle.net/2152.3/11450One first-day cover from Switzerland and one from Geneva featuring the United Nations. One first-day cover of the United Nations International Conference on the Peaceful Uses of Atomic Energy (2nd : 1958 : Geneva, Switzerland) stamped from New York.Three first-day covers.Stamp collectingPostage-stamp albumsAtomsEnvelopeUnited NationsUnited Nations International Conference on the Peaceful Uses of Atomic Energy (2nd : 1958 : Geneva, Switzerland)SwitzerlandNew York (N.Y.)Geneva