Valved horn. Nominal pitch: F.

https://images.is.ed.ac.uk/luna/servlet/iiif/UoEart~2~2~79817~182655/full/150,/0/default.jpghttps://images.is.ed.ac.uk/luna/servlet/iiif/UoEart~2~2~75374~182656/full/,150/0/default.jpg