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1973 The 100th Anniversary of International Metrological Cooperation
1973 The 100th Anniversary of International Metrological Cooperation
1972 The 200th Anniversary of the Art Academy
1972 The 200th Anniversary of the Art Academy
1972 New Values – Perforated on 2 or 3 Sides
1972 New Values – Perforated on 2 or 3 Sides
