Date based on Britten's diary from the time.
Fair copy with signature.
1 manuscript; 17 pages [1r-17r]
Black ink; 26.3 x 35.5 cm. Paper manufacturer = A L. See Title Page of Collected Volume.
' [signature] / INTRODUCTION / AND / ALLEGRO / VIOLIN / VIOLONCELLO / PIANOFORTE'.
Archive
https://www.bpacatalogue.org/archive/BBM-introduction_and_allegro_2-1-3