This is a very rare and nice open-worked steatite Wedjat Eye.
The base is engraved with the cartouche of Amenhotep, Neb-maat-re,
The Lord of Truth is Re.
For comparable ones with Tuthmose IV cartouche see:
The Metropolitan Museum Of Art
Accession Number: 10.130.208
Accession Number: 10.130.209
Date: New Kingdom, 18th Dynasty, circa 1390-1352 B.C.
Size: ca. 1,7 cm; c. 0.67 inches
Provenance: Ex ADA Member, prior to that Ex English Collection.
The authenticity of the item is unconditionally guaranteed.
This item is accompanied with an illustrated Certificate of Authenticity.