Seal of <a href="https://en.wikipedia.org/wiki/Artabasdos" class="extiw" title="en:Artabasdos">Artabasdos</a>, with the titles of <a href="https://en.wikipedia.org/wiki/patrikios" class="extiw" title="en:patrikios">patrikios</a> and <a href="https://en.wikipedia.org/wiki/kouropalates" class="extiw" title="en:kouropalates">kouropalates</a>
Original designs: unknown Byzantine-era artists; Sketches: Gustave Schlumberger (1844–1929)
8<sup>th</sup> century <div style="display: none;">date QS:P,+750-00-00T00:00:00Z/7</div>
Gustave Schlumberger. "Sceaux byzantins inédits (quatrième série)", <i>Revue des Études Grecques</i>, volume 13, fascicule 55, 1900. pp. 467-492