| Signature mark | NL 174/1799 |
|---|---|
| Subject | Brief |
| Author |
Krepp, Karl |
| Recipient |
Mach, Ernst
|
| Title | Krepp, Karl an Mach, Ernst |
| Places | Wien |
| Duration | 08.01.1915 |
| Scope | 6 S. hs. |
| Rights notice | CC BY-SA 4.0 |