A key for the <a href="https://en.wikipedia.org/wiki/pigpen_cipher" class="extiw" title="w:pigpen cipher">pigpen cipher</a>.
<a href="//commons.wikimedia.org/wiki/User:Anomie" class="mw-redirect" title="User:Anomie">Anomie</a>
2008-06-14
<span class="int-own-work" lang="en">Own work</span>