Letter | Description | Signature | Date |
---|---|---|---|
|
Umberto Micheli
>
Guido Valcarenghi
Milano Source: Archivio Storico Ricordi |
LLET025976 > | 12/10/1955 |
|
Umberto Micheli
>
Guido Valcarenghi
Milano Source: Archivio Storico Ricordi |
LLET025979 > | 21/8/1956 |