20 Centimes

1973 20 c MNH

$0.30

1973 The 500th Anniversary of the Birth of Nicolaus Copernicus

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20 Centimes

1972 20 C MNH

$0.30

1972 International Year on the Fight Against Racial Discrimination1972 20 C

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20 Centimes

1978 20 C MNH

$0.30

1978 Beetles

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20 Centimes

1980 20 c MH

$0.30

1980 Mushrooms

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20 Centimes

1982 20 C MNH

$0.30

1982 Flowers

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20 Centimes

1981 20 C MH

$0.30

1981 Flowers

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20 Centimes

1967 20 C MH

$0.30

1967 Paintings from the 15th-17th Century

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20 Centimes

1974 20 C MH

$0.30

1974 The 100th Anniversary of the Birth of Guglielmo Marconi, 1874-1937

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20 Centimes

1976 20 C MNH

$0.30

1976 World Leprosy Day

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20 Centimes

1983 20 C MNH

$0.30

1983 Campaign Against Soil Erosion

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20 Centimes

1984 20 C MNH

$0.30

1984 Trees

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20 Centimes

1975 20 C MNH

$0.30

1975 Antelopes

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20 Centimes

1982 20 C MNH

$0.30

1982 The 10th Anniversary of United Nations Environment Programme

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20 Centimes

1981 20 C MH

$0.30

1981 Rural Water Supplies

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20 Centimes

1984 20 C MNH

$0.30

1984 Zebras and Buffalos

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20 Centimes

1972 20 C MH

$0.30

1972 Akagera National Park

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20 Centimes

1979 20 C MNH

$0.30

1979 Butterflies

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20 Centimes

1978 20 C MNH

$0.30

1978 Aviation History

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20 Centimes

1976 20 c MNH

$0.30

1976 The 75th Anniversary of Catholic Church in Rwanda

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20 Centimes

1977 20 C MNH

$0.30

1977 Wernher von Braun

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20 Centimes

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