Surprisingly double wedjat eyes are ultra rare1 and seem of two types, upside down and facing left and right

Green and black glaze with a lotus in between double Wedjat

Green and black glaze with a lotus in between H 4.0, W 2.4, T 0.6 Undated © 2014 Musée du Louvre/Antiquités égyptiennes #E 11852

Blue glaze double Wedjat

Blue glaze H 1.5 W 1.1, T 0.4 Third Intermediate Period-Late Period National Museums Liverpool #44.19.56

Chrysoprase (a rare translucent material) double Wedjat
Chrysoprase (a rare translucent material) double Wedjat

Chrysoprase (a rare translucent material) L 2.9, H 1.2, T 0.7 Presumably very early and with extensive signs of wear Private collection DA

Reference

1None, Unpublished amulets