Brandenburg an der Havel ( Germany ) . Archaeological Museum of the state of Brandenburg - Stone Age Gallery:Mesolithic box made of birch bark ( 8.000 BC ), from Friesack.
<a href="//commons.wikimedia.org/wiki/User:Xenophon" title="User:Xenophon">Wolfgang Sauber</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>