Aleksandr Labsin, Russian writer and translator Vladimir Borovikovsky (1757-1825)

The picture has something of this: people, portrait, jacket, wear, man, outerwear, pants, coat, musician, music, mustache, neckwear, brunette, outfit, facial hair.
Perhaps it’s a close up of a painting of a man in a blue suit with a medal on his left arm and a book in his right hand,.