Brádlerovy boudy, Bohemia, now Czech Republic.
<a href="//commons.wikimedia.org/wiki/User:Jojo" title="User:Jojo">Jojo</a>, <a href="https://en.wikipedia.org/wiki/User:Jojo_1" class="extiw" title="en:User:Jojo 1">en:Jojo_1</a>, <a href="https://pl.wikipedia.org/wiki/Wikipedysta:Jojo" class="extiw" title="pl:Wikipedysta:Jojo">pl:Jojo</a>
Old postcard; from my personal collection.