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. prints (visual works)
8. [prints by function]
9. proofs (prints by function)

Anotations

Scope note:

Proofs of prints having an image, but before the addition of title, artist's name, or other alphabetical content has been added; relevant when such printed matter exists on a later state. Such proofs are usually rare and valuable and thus command high prices.