Detail of the Gozbert Censer, an intricately crafted bronze censer probably made in Trier around 1100. It is signed by the artist, Gozbertus. Standing 8.5 inches high, it represents the Heavenly Jerusalem.
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A broad range of alloys of copper, specifically any non-ferrous alloy of copper, tin, and zinc or other trace metals. The proportions of copper and tin vary widely, from 70 to 95 percent copper in surviving ancient artifacts.
