Issue: Montreal Protocol on Substances that Deplete Ozone Layer (Saudi Arabia, 1997)

Tuesday, July 15, 1997, Montreal Protocol on Substances that Deplete Ozone Layer

Tuesday, July 15, 1997 Saudi Arabia will issue: Stamp "Montreal Protocol on Substances that Deplete Ozone Layer" face value 2, Stamp "Montreal Protocol on Substances that Deplete Ozone Layer" face value 1,