A portrait traditionally belived to be of <a href="https://en.wikipedia.org/wiki/Abram_Petrovich_Gannibal" class="extiw" title="en:Abram Petrovich Gannibal">Abram Petrovich Gannibal</a>. According to research by Natalya Teletova<sup id="cite_ref-2" class="reference"><a href="#cite_note-2">[2]</a></sup> the painting is not of Gannibal. According to her, it shows a general Meller-Zakomelski. The order he is wearing was created after the death of Abram Gannibal.
Published by Brokhaus Efron, St Petersburg, 1907
1791
Pushkin, Volume 1 (free pdf from Archive.org)