Knirps-Logo
Unknown author<span style="display: none;">Unknown author</span> (<a href="//commons.wikimedia.org/w/index.php?title=User:Knirps_GmbH&amp;action=edit&amp;redlink=1" class="new" title="User:Knirps GmbH (page does not exist)">Knirps GmbH</a>)
CC BY-SA 4.0
Original der Firma Knirps