Clarinet, Nominal pitch: A.

https://images.is.ed.ac.uk/luna/servlet/iiif/UoEart~2~2~80330~187603/full/,150/0/default.jpghttps://images.is.ed.ac.uk/luna/servlet/iiif/UoEart~2~2~79004~187604/full/,150/0/default.jpg