Auguste Frederic Louis Viesse de Marmont (1774-1852) Duke of Ragusa and Marshal of France Paulin Jean Baptiste Guerin (1783-1855)

The picture has something of this: people, portrait, sword, man, wear, retro, jewelry, vintage, courage, armor, tunic, weapon, jacket, gold, lid, antique.
Perhaps it’s a painting of a man wearing a blue uniform with a red sash around his neck and a gold crown on his left shoulder and a red ribbon.