Signature mark | NL 174/2365 |
---|---|
Subject | Brief |
Author |
Oppolzer, Egon Ritter von
|
Recipient |
Mach, Ernst
|
Title | Oppolzer, Egon Ritter von an Mach, Ernst |
Places | Prag |
Duration | 08.04.1899 |
Scope | 2 S. hs. |
Rights notice | CC BY-SA 4.0 |