Letter | Description | Signature | Date |
---|---|---|---|
|
Luigi Bai
,
Eugenio Clausetti
>
Mario Sirianni
No place |
LLET028615 | No date |
|
Ricordi
>
Mario Sirianni
No place |
LLET028617 | No date |
|
Guido Valcarenghi
>
Mario Sirianni
No place |
LLET028619 | No date |