Notes are F; F#; G; Ab; A; Bb; b; C; D; E; F; F#, although the top note (G) is missing and the E is round the wrong way, although this does not affect its tone. The tuning appears to be low pitch A= 440.
Boosey & Co Vintage Trombone, Orchestral Model, Class A 1920 FULLY WORKING
Boosey & Co London PAIR OF CLARINETS in Bb & A - Ebony - Leather Case - Vintage
Boosey & Co Vintage Trombone 103065 Includes Manuals and a slydex mouth peice
Antique Cased 3-Valve Silver Plated Silbron Class A Cornet By Boosey & Co 1927
1870's Distin Boosey & Co Cornet Patent Light Valor #22089 Bb B-flat
Antique Boosey & Co Cornet 1908 Class A Light Valve London Engraved
