Are extremely rare amulets of the Late Period1

Siltstone2 with atef crown,
flail and crook H 12.1, W 3.5, D 1.9 Private collection DA

Green glaze with atef crown, flail and crook H 10.0 © 2009 Musée du Louvre/Christian Décamps #N 4493

Green glaze with atef crown
and was scepters, broken H 10.1
© 2003 Musée du Louvre/Dist.
Grand Palais Rmn/Christian Décamps #AF 2919

References

1Andrews C. Amulets of Ancient Egypt, 1994, p. 83
2Siltstone is close to greywacke, but with a finer granulometry. See Andrews C A R & van Dijk J, eds. Objects for eternity, Egyptian antiquities from the W Arnold Meijer collection, 2006. Verlag Philipp von Zabern, p. 15