A 1×1 transparent image. Useful for when a template requires an image but you don't have one.
<a href="https://en.wikipedia.org/wiki/User:SPUI" class="extiw" title="en:User:SPUI">SPUI</a> (on English Wikipedia)
2006-04-27
<span class="int-own-work" lang="en">Own work</span>