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The Niello circular panel is made out of a black metallic alloy that was designed during the 16th century.

Niello Circular Panel

The Niello circular panel is made out of a black metallic alloy that was designed during the 16th century.

The Niello circular panel is made out of a black metallic alloy that was designed during the 16th century.

Niello Circular Panel

The Niello circular panel is made out of a black metallic alloy that was designed during the 16th century.