11.B.1
Location:
Last in private collection of the Della Nina family, Chicago (a digital reproduction of the photocopy of the source is available at I-Lgp).
1 double-sided leaf (the v. also includes a 5-bar cadence written by a different hand), 2° with 12 staves, 41 bars.
No. 3 in Bernardoni 2017a, p. 99, also including a transcription of the first 4 bars of the source.