The double ostrich feathers amulet has a curled-over top1. The amulet enabled the Ba to access eternal life and was mostly in dark stones as obsidian and basalt1. Position on mummies: mainly chest 2. Period: from Dynasty 19 onwards2
Obsidian H 2.7 Late Period
MAH Musée d’art et d’histoire, Ville de Genève Ancien fonds, avant 1867
#D 0169
Obsidian with unpierced dorsal pillar H 2.0, W 1.3
T 0.5 Late Period
Private collection DA
Black stone, unpierced H 2.7, W 1.4 Undated
© 2013 Musée du Louvre/Antiquités égyptiennes #E 18332
References
1Andrews C. Amulets of Ancient Egypt, 1994, p. 81 and Fig. 81c
2Petrie W M F. Amulets, 1914, p. 16 and Figs. 39a,b