Canada 1968 United Nations International Hydrological Decade

From Stamps of the World
  • Date of Issue : 1968 May 08
  • Perforations : 11
  • Design : Imre von Mosdossy
  • Printer : British American Bank note Company
  • Print Type : Lithography
  • Quantity : 24000000
Canada 1968 United Nations International Hydrological Decade a.jpg
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