Jean-Leon Gerome – Portrait of Armand Gerome Part 4 National Gallery UK

The picture has something of this: people, wear, portrait, outfit, uniform, lid, military, cap, veil, man, soldier, side view, military uniform, war, weapon, army, administration, jacket.
Perhaps it’s a close up of a painting of a person wearing a military uniform and a hat with a snake on it’s head and a brown background.