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. information artifacts
7. [information artifacts by function]
8. identifying artifacts
9. seals (artifacts)

Anotations

Scope note:

Thin disks of dried paste, gelatin, adhesive paper, isinglass, or similar material with added coloring matter and typically bearing an identifying mark, used to seal letters or other documents or to attach papers.