Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Visual and Verbal Communication (hierarchy name)
4. Visual Works (hierarchy name)
5. visual works (works)
6. [visual works by material or technique]

Additional parents:

1. top of the aat hierarchies
2. Objects Facet
3. Object Genres
4. object genres
5. object genres by function
6. plates

Anotations

Scope note:

Ornamental works that are executed by the application of black metallic alloys, composed of sulfur and either copper, silver, or lead, to inlay designs incised in the surface of another metal. An example of niellos are small metal plates that were common in the Italian Renaissance.