Battle of Fontenoy, 11 May 1745 Horace Vernet (1789-1863)

The picture has something of this: people, group, many, soldier, man, military, wear, cavalry, weapon, skirmish, war, army, lithograph, uniform, music.
Perhaps it’s a painting of a large group of men and women in military garb, with a man on a horse in the foreground holding a flag.