![](https://images.gutefrage.net/media/default/user/9_nmmslarge.png?v=1551279448000)
![](https://images.gutefrage.net/media/default/user/13_nmmslarge.png?v=1551279448000)
Antwort
Hi, I think I can help you. It’s RUDOLF ANTON GUBA (1884-1950). You will find similar pictures on internet. Nice pictures but not worth a lot of money ;)