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]
7. ceramic ware (visual works)
8. pottery (visual works)
9. [pottery by kiln, location, or style]

Anotations

Scope note:

Refers to the characteristic pottery produced by the Northern Black Polished Ware (NBPW) culture, an Iron Age culture in north India from ca. 700 BCE-ca. 200 BCE. The ware is recognizable by its black or bluish lustre.