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International Day of Human Space Flight
12 April

50th Anniversary of the First Human Space Flight

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Stamps

Set of stampsOn 12 April 2011, the United Nations Postal Administration (UNPA) issued three stamps in the denominations of US$ 0.44, CHF 0.50 and € 0.35 in a mini-sheet format of sixteen stamps to commemorate the 50th Anniversary of Human Space Flight.

UNPA also issued one souvenir sheet with six different denominations, two from each office. The denominations are US$ 0.44, US$ 0.98, CHF 0.85, CHF 1.00, € 0.55 and € 0.65. This is the first time ever that UNPA issued a souvenir sheet in this format.

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