Armenian capital letter Ayb (U+0531=Ա); Armenian small letter Ayb (U+0561=ա). Vertical font lines.
<a href="//commons.wikimedia.org/wiki/User_talk:Person_or_Persons_Unknown" title="User talk:Person or Persons Unknown">Person or Persons Unknown</a>
<span class="int-own-work" lang="en">Own work</span>