Probably both.However did he receive the Legion d'Honneur for the action of 11 July 1810 or for the being wounded at Bautzen in 1813?
Gouache was made officier de la légion d'honneur on 14h June 1813:
https://books.google.de/books?id=hd4AgHYhC6gC&pg=RA2-PA186&lpg=RA2-PA186&dq=gouache
So he must have been nominated chevalier (légionnaire) at an earlier date.