The double djed pillar is a very rare amulet1

 Yellow/brown glaze, flat back
H 2.7, W 2.1, T 0.6 Undated, presumably
Late Period © 2012 Musée du Louvre/
Christian Décamps #N 4553

Damaged brown glaze
H 2.8, W 1.9 Late Period
Museum of Fine Arts Budapest
#51.2621

References

1None, Unpublished amulet