| Signature mark | NL 174/1773 |
|---|---|
| Subject | Brief |
| Author |
Koschljakow, Sergej von |
| Recipient |
Mach, Ernst
|
| Title | Koschljakow, Sergej von an Mach, Ernst |
| Places | St. Petersburg |
| Duration | 1895 |
| Scope | 2 S. hs. |
| Rights notice | CC BY-SA 4.0 |