Peter I the Great of Russia Paul Delaroche (1797-1856)

The picture has something of this: people, military, portrait, war, man, weapon, wear, soldier, army, uniform, outfit, woman, veil, lid, flag, retro, music, skirmish.
Perhaps it’s a painting of a man wearing a green uniform with a blue sash around his neck and a white hat on his head, holding a silver object in his right hand.