Seal of Muhammad based on a 1980s facsimile of Ottoman era copies of letters written and sealed by Muhammad, in which the copyists had manually inked the seal impression
<a href="//commons.wikimedia.org/wiki/User:RootOfAllLight" class="mw-redirect" title="User:RootOfAllLight">RootOfAllLight</a>
<span class="int-own-work" lang="en">Own work</span>