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 function]

Narrower term/s

• cancellations (stamps)

Anotations

Scope note:

One or more marks made to deface something in order to indicate a change in its status, such as through a pottery factory mark, indicating the piece is defective or outmoded, or as across a printing plate, assuring that no prints are produced beyond a limited edition.