The raised cobra or uraeus was at first a royal symbol placed on the fore-head of the king to destroy his enemies. The amulet did confer to the non-royal dead the protection usually provided to the king1. Such amulets are mainly in faience, but other materials were used1

Electrum
No dimension Dynasty 19
© 2012 Musée du Louvre/
Christian Décamps #AF 2264

Green and black glaze pierced for suspension through the eyes H 1.7, W 0.8, D 0.9
Amarna period2
Private collection DA

References

1. Andrews C. Amulets of Ancient Egypt, 1994, pp. 75-76
2. Petrie W M F. Tell el Amarna, London, Methuen & Co., 1894, plate XVII, no. 321