![](https://onlinecollection.leopoldmuseum.org/images/web-lm-06415-default.jpg)
Leopold Museum,
Vienna © Estate of Emil Pirchan,
Steffan/Pabst Collection,
Zurich
Vienna © Estate of Emil Pirchan,
Steffan/Pabst Collection,
Zurich
![](https://onlinecollection.leopoldmuseum.org/images/web-lm-06415-b-default.jpg)
Leopold Museum,
Vienna © Estate of Emil Pirchan,
Steffan/Pabst Collection,
Zurich
Vienna © Estate of Emil Pirchan,
Steffan/Pabst Collection,
Zurich