TY - MANSCPT DB - Science History Institute DP - Science History Institute M2 - Courtesy of Science History Institute. Rights: Public Domain Mark 1.0 TI - Soviet postage stamp commemorating 1965 IUPAC meeting in Moscow ID - q524jn84j CY - Soviet Union DA - 1965/06/15/ YR - 1965 AV - Witco Stamp Collection, Box 1 VL - Witco Stamp Collection, Box 1 AN - Witco Stamp Collection, Box 1 UR - https://digital.sciencehistory.org/works/q524jn84j AB - Stamp issued to publicize the 20th Congress of the International Union of Pure and Applied Chemistry (IUPAC), held in Moscow, July 12-18. The names of both the organization and the host city are spelled with chemical symbols. In addition, the stamp shows a molecular diagram of an unidentified substance and uses a retort as a background. The ink used for the globe diagram and the face value of the stamp (4 kopecs) are fluorescent. KW - Postage stamps KW - Chemistry KW - International Union of Pure and Applied Chemistry KW - Soviet Union KW - Science on postage stamps LA - Russian, English ER -