There are also highly uncommon or rare stamped seals1 since the Old Kingdom onwards (see foot amulet #42)
Unusual glazed steatite stamp seal
in the form of a broken squatting
child H 2.1 New Kingdom
Dynasty 18
MET #26.7.51
Green glaze top broken
H 2.6, W 1.6, D 0.8 Undated
2012 © Musée du Louvre/
Antiquités égyptiennes
#E 1711
References
1None, Unpublished amulets