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. correspondence artifacts

Anotations

Scope note:

Envelopes, postcards, or other postal items of reasonable size with a new stamp or stamps bearing the postally applied marking 'First Day of Issue' and indicating the date and place of first official issue.