Fair copy with signature. Britten has also signed 'L.v Beethoven' at the top and the score includes the German nickname of the work, 'Die 'Wut über den verlorenen Groschen' [Rage over a lost penny].
In private ownership.
1 manuscript
Blue ink; 26.5 x 35.5 cm. Paper manufacturer = A L.
Archive
https://www.bpacatalogue.org/archive/BBM-beethoven_rondo-1-2