Cornet. Nominal pitch: B♭.A.

https://images.is.ed.ac.uk/luna/servlet/iiif/UoEart~2~2~78176~183934/full/150,/0/default.jpghttps://images.is.ed.ac.uk/luna/servlet/iiif/UoEart~2~2~29504~102739/full/150,/0/default.jpg