Byzantine enamel plaques probably parts of a crown representing the emperor Constentine IX Monomachos (1042 - 1056), the Empress Zoe and her sister Theodora.
<a href="//commons.wikimedia.org/w/index.php?title=User:Andrew_massyn&amp;action=edit&amp;redlink=1" class="new" title="User:Andrew massyn (page does not exist)">Andrew massyn</a>
<span class="int-own-work" lang="en">Own work</span>