| Signature mark | NL 174/2700 |
|---|---|
| Subject | Brief |
| Author |
Rona, Peter
|
| Recipient |
Mach, Ernst
|
| Title | Rona, Peter an Mach, Ernst |
| Places | Berlin |
| Duration | 17.04.1906 |
| Scope | 4 S. hs. |
| Rights notice | CC BY-SA 4.0 |