Mengs, Anton Raphael. Portrait of Johann Joachim Winckelmann Hermitage ~ part 08

The picture has something of this: people, portrait, wear, man, music, writer, outerwear, jacket, administration, profile, musician, side view, leader, poet, woman, theater.
Perhaps it’s a close up of a painting of a man in a black jacket and white shirt with his hand on his hip and his right.