Non-postage souvenir sheet of the Soviet Union; 2nd Ukrainian Republican Youth stamp exhibition, Kharkiv, 20-30 November 1976. USSR stamp of 1974.
Scanned and processed by <a href="//commons.wikimedia.org/wiki/User:%D0%9B.%D0%9F._%D0%94%D0%B6%D0%B5%D0%BF%D0%BA%D0%BE" title="User:Л.П. Джепко">Leonid Dzhepko</a>
Personal collection