Cornet. Nominal pitch: B♭ etc.

https://images.is.ed.ac.uk/luna/servlet/iiif/UoEart~2~2~36622~103505/full/150,/0/default.jpghttps://images.is.ed.ac.uk/luna/servlet/iiif/UoEart~2~2~32642~103507/full/150,/0/default.jpg