TY - MANSCPT DB - Science History Institute DP - Science History Institute M2 - Courtesy of Science History Institute. Rights: In Copyright - Rights-holder(s) Unlocatable or Unidentifiable TI - First Day Cover commemorating the 1st Arab Petroleum Conference, United Arab Republic ID - h128nd74f CY - Egypt DA - 1959/04/16/ YR - 1959 AV - Witco Stamp Collection, Box 7 VL - Witco Stamp Collection, Box 7 AN - Witco Stamp Collection, Box 7 UR - https://digital.sciencehistory.org/works/h128nd74f AB - Cachet and stamp depict oil pipeline and drilling derricks. KW - Petroleum industry and trade KW - Postage stamps KW - Egypt KW - United Arab Republic KW - Postmarks KW - Commemorative postage stamps KW - Science on postage stamps KW - Congresses and conventions KW - Cachets (Philately) KW - First day covers (Philately) KW - Petroleum engineering KW - League of Arab States KW - Arab Petroleum Congress LA - Arabic, English ER -