Seal of <a href="https://en.wikipedia.org/wiki/Elpidios" class="extiw" title="en:Elpidios">Elpidios</a>, <a href="https://en.wikipedia.org/wiki/patrikios" class="extiw" title="en:patrikios">patrikios</a> and governor of <a href="https://en.wikipedia.org/wiki/Sicily_(theme)" class="extiw" title="en:Sicily (theme)">Sicily</a>
Original designs: unknown Byzantine-era artists; Sketches: Gustave Schlumberger (1844–1929)
9<sup>th</sup> century <div style="display: none;">date QS:P,+850-00-00T00:00:00Z/7</div>
Gustave Schlumberger. "Sceaux byzantins inédits (quatrième série)", <i>Revue des Études Grecques</i>, volume 13, fascicule 55, 1900. pp. 467-492