The writing tablet intended to provide the dead with any magical formula requested in the Other World1. Accordingly, such amulets are mainly blank. They are mostly in green stones1 and were produced from Dynasty 26 onwards1,2

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

Amazonite
H 1.7, W 0.8, T 0.3
Late Period
Carlos Museum
#2012.032.424

References

1Andrews C. Amulets of Ancient Egypt, 1994, p. 86 and Figs. 99a-c
2Petrie W M F. Amulets, 1914, p. 21 and Fig. 76a