<a href="https://nl.wikipedia.org/wiki/Kees_de_Boer" class="extiw" title="nl:Kees de Boer">Kees de Boer</a>, Nederlands illustrator
<a href="//commons.wikimedia.org/wiki/User:Caseman" title="User:Caseman">Caseman</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>