<a href="//commons.wikimedia.org/wiki/USSR" class="mw-redirect" title="USSR">Soviet</a> chemist Nikolay Emanuel, 1985 USSR postage stamp.
Post of the Soviet Union
2012-01-03
Russian Wikipedia - <a class="external free" href="https://ru.wikipedia.org/wiki/%D0%A4%D0%B0%D0%B9%D0%BB:Rus_Stamp_GST-Emanuel.jpg">http://ru.wikipedia.org/wiki/%D0%A4%D0%B0%D0%B9%D0%BB:Rus_Stamp_GST-Emanuel.jpg</a>