The hieroglyph sa means protection. This rare amulet extends protection to the wearer, whether living or dead, and was often made in precious materials1. Period: throughout all Dynastic times, but predominantly in the Middle Kingdom1

Electrum sa

Electrum H 4.1, W 1.4, T 0.7 Middle Kingdom © The Trustees of the British Museum #EA 65332

Silver, carnelian, feldspar, turquoise, ivory sa

Silver, carnelian, feldspar, turquoise, ivory H 1.0 Part of necklace of Senebtisi Middle Kingdom late Dynasty 12-early Dynasty 13 MET #07.227.11

Blue glaze sa

Blue glaze H 1.4 New Kingdom Late Dynasty 18 reign of Amenhotep III MET #11.215.210

Reference

1Andrews C. Amulets of Ancient Egypt, 1994, p. 43