Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Visual and Verbal Communication (hierarchy name)
4. Information Forms (hierarchy name)
5. information forms (objects)
6. document genres
7. [documents by function]
8. [identifying markings and symbols]
9. marks (identifying markings)
10. [marks by location or context]
11. watermarks

Anotations

Scope note:

Marks in paper produced by placing a stereo in bronze, rubber, or other substance, on the press roll of the papermaking machine and so leaving a design in the paper where it was more compressed. Technically, they are not true watermarks but are made to serve the same purpose.