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Stamp Day. MNH**
5th World Congress of Trade Unions. MNH**
Millenary of Polish Mining Industry. MNH**
15th anniversary of UNICEF. MNH**
15th Session of Council for Mutual Economic Assistance. MNH**
Protected Insects. MNH**
20th anniversary of Polish Workers' Party. MNH**
World Ski Championships, Zakopane. MNH**
Polish Western Territories (II). MNH**
Polish Eagle. Issued without gum*