Klerisso, Charles-Louis – Sketch for painting the west side of the room-ruins Hermitage ~ part 06

The picture has something of this: architecture, building, ancient, stone, column, antique, Gothic, city, town, landmark, arch, house, marble, traditional, castle.
Perhaps it’s a drawing of a room with columns, a fireplace, and a painting of a man in a suit standing in front of a painting on a wall.