| Signature mark | NL 174/0654 |
|---|---|
| Subject | Visitenkarte |
| Author |
Bahr, Hermann |
| Recipient |
Mach, Ernst
|
| Title | Bahr, Hermann an Mach, Ernst |
| Insert | Umschlag (Berlin, Poststempel 11.09.1912) |
| Duration | 09.1911 |
| Scope | 1 S. gedr. u. hs. |
| Rights notice | CC BY-SA 4.0 |