Field Marshal Prince Von Blucher (1742-1819) George Dawe (1781-1829)

The picture has something of this: people, armor, man, portrait, sword, royalty, knight, Renaissance, facial hair, weapon, soldier, military, veil, warrior, leader.
Perhaps it’s a close up of a painting of a man in a military uniform with a medal around his neck and a cross on his left side of his arm.