| Signature mark | NL 174/0600 |
|---|---|
| Subject | Brief |
| Recipient |
Mach, Marie |
| Title | N.N. an Mach, Marie |
| Note | Marie Mach ist die Schwester von Ernst Mach |
| Duration | 21.05.1895 |
| Scope | 3 S. hs. |
| Rights notice | CC BY-SA 4.0 |