The signature of the Greek-Russian naval officer Lambros Katsonis. From a note of his. Auctioned by vergosauctions.com in Dec. 2020.
From a letter of 1791 // Από επιστολή του 1791
Lambros Katsonis (1752-1809) // Λάμπρος Κατσώνης (1752-1809)