USSR stamp: <a href="https://en.wikipedia.org/wiki/American_bison" class="extiw" title="w:American bison">American Bison</a> and <a href="https://en.wikipedia.org/wiki/Plains_zebra" class="extiw" title="w:Plains zebra">Zebra</a> (<a href="https://en.wikipedia.org/wiki/Askania-Nova" class="extiw" title="w:Askania-Nova">Askania-Nova</a>). Series: <a href="https://en.wikipedia.org/wiki/Fauna" class="extiw" title="w:Fauna">Fauna</a> of <a href="https://en.wikipedia.org/wiki/Soviet_Union" class="extiw" title="w:Soviet Union">Soviet</a> <a href="https://en.wikipedia.org/wiki/Nature_reserve" class="extiw" title="w:Nature reserve">Wildlife Reservation</a>
Post of the Soviet Union
1968-10-14
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