Zichy, Mihaly – Nasir ad-Din Shah on a horse Hermitage ~ Part 05

The picture has something of this: cavalry, seated, people, wear, mammal, weapon, sword, lid, soldier, man, veil, warrior, military, action energy, saddle, helmet.
Perhaps it’s a drawing of a man riding on the back of a white horse wearing a black hat and a red and gold outfit with a feather on it’s tail.