Anton Chekhov and Maxim Gorky in Yalta, 1900
<a href="https://ru.wikipedia.org/wiki/%D0%A1%D1%80%D0%B5%D0%B4%D0%B8%D0%BD,_%D0%9B%D0%B5%D0%BE%D0%BD%D0%B8%D0%B4_%D0%92%D0%B0%D0%BB%D0%B5%D0%BD%D1%82%D0%B8%D0%BD%D0%BE%D0%B2%D0%B8%D1%87" class="extiw" title="ru:Средин, Леонид Валентинович">Леонид Валентинович Средин</a> (1860-1909)
1900
<b>Original publication</b>: <a rel="nofollow" class="external text" href="https://meshok.net/pic.php?id=64758663">1939 Soviet postal card</a><br><b>Immediate source</b>: <a rel="nofollow" class="external free" href="http://railibro.lacab.it/archivio/1000/1100/1180/1189/chekh_gorky.jpg">http://railibro.lacab.it/archivio/1000/1100/1180/1189/chekh_gorky.jpg</a>