Почтовая марка СССР. 1971. <a href="https://ru.wikipedia.org/wiki/%D0%91%D0%BE%D1%82%D0%B8%D0%BA_%D0%9F%D0%B5%D1%82%D1%80%D0%B0_I" class="extiw" title="ru:Ботик Петра I">Ботик Петра I</a>
Post of Soviet Union
1971
This image was scanned or photoreproduced by <a href="//commons.wikimedia.org/wiki/User:Butko" title="User:Butko">Andrew Butko</a>. Contact infоrmation -  e-mail: <a rel="nofollow" class="external text" href="mailto:abutko@gmail.com">abutko@gmail.com</a>. Other scans <a href="//commons.wikimedia.org/wiki/Category:Scans_and_photoreproductions_by_Andrew_Butko" title="Category:Scans and photoreproductions by Andrew Butko">see here</a>.