1982 75th Anniversary of the First Shipment of Phosphate

The four stamps and a miniature sheets were issued in 1982 October 11th to commemorate the 75th Anniversary of the First Movement of Phosphate, one of the most important timeline in Naoero history. The four stamps represents the mode of transports used to in the industry, and the miniature sheet celebrates Naoero's participation in Anpex 82.