This glossary defines nearly 300 terms frequently encountered by stamp collectors and cover collectors. Precise definitions for many philatelic terms do not exist. One collector, dealer or society may define a term in one way, while others will use the term in a slightly different way.
For special uses of some of the terms listed and defined here, contact the appropriate specialist collector group.
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Native paper: Crude, handmade paper produced locally, as opposed to finer, machine-made paper.
Never hinged: A stamp without hinge marks. A never-hinged (NH) stamp usually has original gum, but this is not always the case.
New issue service: A dealer service that automatically supplies subscribers with new issues of a given country, area or topic. The issues provided are determined by a prearranged standing order that defines the quantity and types of issues.
Newspaper stamps: Stamps issued specifically for the prepayment of mailing rates for newspapers, periodicals and printed matter.
Nondenominated: A stamp with no numerical inscription designating the face value. The value of some nondenominated stamps are marked by a designated letter. Others may have a service inscription that indicates the rate the stamp fulfills.
NH: Never Hinged. A stamp without hinge marks. A never-hinged (NH) stamp usually has original gum, but this is not always the case.