Letter | Description | Signature | Date |
---|---|---|---|
|
Ricordi
>
Mario Bertoncini
No place Source: Archivio Storico Ricordi |
LLET021729 > | 26/8/1955 |
|
Eugenio Clausetti
>
Mario Bertoncini
No place Source: Archivio Storico Ricordi |
LLET021731 > | 13/9/1955 |