Isis mourning (with her sister Nephthys) are rare protective funerary amulets in the characteristic gesture of lamentation. They were placed on the upper chest of mummies of the Ptolemaic Period to facilitate the ressurrection of the deceased as they manage with their brother Osiris1

Isis mourning - Green glaze flat back

Green glaze flat back
H 5.5, W 2.7, T 0.7
Late Ptolemaic Period
Walters Arts Museum
#48.1637

Isis mourning - Turquoise glaze flat back

Turquoise glaze flat back
kneeling on the gold sign
H 5.7, W 2.5
Art market

Isis mourning - Yellow poor glass H 4.5, W 2.0

Yellow poor glass H 4.5, W 2.0
Ptolemaic Period
© The Trustees of the British
Museum #EA54924

Reference

1Andrews C. Amulets of Ancient Egypt 1994, p. 48