Same as <a href="//commons.wikimedia.org/wiki/File:1966_CPA_3450.jpg" title="File:1966 CPA 3450.jpg">1966 CPA 3450.jpg</a>, but with a <a href="https://en.wikipedia.org/wiki/postmark" class="extiw" title="w:postmark">postmark</a>
Post of Soviet Union
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