Letter | Description | Signature | Date |
---|---|---|---|
|
Franco Colombo
>
Hans Haug
No place |
LLET019972 | No date |
|
Hans Haug
>
Franco Colombo
Lonay, Svizzera |
LLET019973 | No date |
|
Gian Francesco Malipiero
>
Ricordi
Venezia |
LLET016737 | No date |