The 1st Chasseurs à Cheval in 1815, known during the First Bourbon Restauration as the "Chasseurs du Roi" (King's Chasseurs), by Perry.
Note the royal livery of the trumpet. They did not have the time to substitute it to the imperial livery during the Hundred Days. However they did adopt the 1815 regimental standard.
Note that the Chasseurs from the Elite Company wear red epaulettes.