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.