Picture of a cylinder seal impression bearing the name of pharaoh Sekhemkara Amenemhat-senebef. 13th dynasty, Middle Kingdom.
Flinders Petrie (1853-1942)
<i>Scarabs and cylinders with names</i> (1917), <a rel="nofollow" class="external text" href="https://archive.org/details/scarabscylinders00petr">available copyright-free here</a>, pl. XVIII