USSR, 1971. <a href="https://en.wikipedia.org/wiki/Postal_card" class="extiw" title="w:Postal card">Postal card</a> with the <a href="https://en.wikipedia.org/wiki/Commemorative_stamp" class="extiw" title="w:Commemorative stamp">commemorative stamp</a>. “10th anniversary of the world's first human space flight” (<a href="https://en.wikipedia.org/wiki/Soviet_Union_stamp_catalogue" class="extiw" title="w:Soviet Union stamp catalogue">CPA Catalogue</a> №1).
<p>Stamp: The Soviet spacecraft <a href="https://en.wikipedia.org/wiki/Vostok_(spacecraft)" class="extiw" title="w:Vostok (spacecraft)">Vostok</a> by which flight and image of its orbit round Earth. Design: R. Strelnikov.
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Illustration: <a href="https://en.wikipedia.org/wiki/Yuri_Gagarin" class="extiw" title="w:Yuri Gagarin">Yuri Gagarin</a>, the first human to journey into outer space. Design: Anatoly Nikiforovich Yar-Kravchenko.
Ministry of Communications of the USSR
1971-04-12
Scanned 600 dpi by User Matsievsky from personal collection