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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Quadripartition: A block or strip of four stamps that together complete a single entire design. See United States Scott 1448-51, the 1972 Cape Hatteras National Seashore issue.