Inscribed was variants from Dynasty 25 and early 26 with the ankh and/or the djed pillar in glazed and glass compositions1 indicate that they were associated with the Egyptian new year2. Period: from the New Kingdom onwards

Blue glazed ankh with
was H 3.3, W 1.4 New Kingdom © The Trustees of the British Museum #EA65539

Yellow glazed ankh, djed and
was Approximate W 5.0-6.0
Late Period
Museum of Alexandria

Glass inlay
H 1.7, W 1.0
Ptolemaic Period-
Roman Period
MET #26.7.1198

References

1Reisner M G A. Amulets, Catalogue général des antiquités Egyptiennes du musée du Caire, 1907, Le Caire. p. 110, Plate VIII, no. 12073
2See the description of MET #26.7.1043