Cover of the book: History Pages on Stamps (1980), by <a href="https://en.wikipedia.org/wiki/ru:%D0%9A%D0%B8%D1%81%D0%B8%D0%BD,_%D0%91%D0%BE%D1%80%D0%B8%D1%81_%D0%9C%D0%BE%D0%B8%D1%81%D0%B5%D0%B5%D0%B2%D0%B8%D1%87" class="extiw" title="w:ru:Кисин, Борис Моисеевич">Boris Kisin</a>
Unknown author<span style="display: none;">Unknown author</span>
<a rel="nofollow" class="external text" href="https://lunteg.livejournal.com/520422.html">livejournal.com</a>