Handwriting and other details have been reported based on the notes of David Berger, Andrew Homzy, Dr. Theodore Hudson, Walter van de Leur, and Dr. Mark Tucker.
There appears to be a number from the Duke Ellington Band Book: 252.
Got to lose is contained in one folder consisting of 1 part in Ab Major concert and 11 parts in F Major concert -- in ink -- in unidentified hand (Whaley?).
Part in Ab Major for 1 reed - Rab. Parts in F Major for 3 reeds - Sears, Jimmy, Carney; 4 trumpets - Cat, Scad, Williams, Taft; 2 trombones - Wilbur, Jones; bass; guitar. -- from the Duke Ellington Library.