Lot Essay
For a similar example see no. 88, p. 128 in Schoske and Wildung, Gott und Götter im Alten Ägypten.
According to Élizabeth Delange ("The Complexity of Alloys: New Discoveries About Certain "Bronzes" in the Louvre," in Hill, ed., Gifts for the Gods: Images from Egyptian Temples, p. 39), "black bronze is a "cupreous alloy containing small amounts of gold and silver" which enabled "the creation of black patinas that gleam like haematite"
According to Élizabeth Delange ("The Complexity of Alloys: New Discoveries About Certain "Bronzes" in the Louvre," in Hill, ed., Gifts for the Gods: Images from Egyptian Temples, p. 39), "black bronze is a "cupreous alloy containing small amounts of gold and silver" which enabled "the creation of black patinas that gleam like haematite"