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

Cryosphinxes are
hybrid ram-headed
sphinxes

Gilded silver and peridotite
H 7.2, W 1.8, T 1.0
Kushite Dynasty 25
MFA #24.974

Gilded silver, lapis lazuli, and glass with some damages H 10.3, W 3.0 Kushite Dynasty 25
MFA #24.972