Symbol used to denote <a href="https://en.wikipedia.org/wiki/First-angle_projection" class="extiw" title="en:First-angle projection">first-angle projection</a> in a manner independent of written language
<a href="//commons.wikimedia.org/wiki/User:Redrose64" title="User:Redrose64">Redrose64</a>
2013-04-05
<span class="int-own-work" lang="en">Own work</span>