Hieroglyphics of Horapollo, tr. Alexander Turner Cory, , at sacred-texts.com
To denote a very bad [a very good? a very powerful?] king, they depict a SERPENT in the form of a circle, whose tail they place in his mouth, and they write the name of the king in the middle of the coil, intimating that the king governs the world. The serpent's name among the Egyptians is Meisi.
II. A plain oval containing the name of Ramesses II. 'Amun me Ramses.' The oval is considered to hate been originally a serpent coiled.