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A postage stamp is a small piece of paper issued by a post office, postal administration, or other authorized vendors to customers who pay postage (the cost involved in moving, insuring, or registering mail).
The first US postage stamp to incorporate microprinting as a security feature was the American Wildflower Series introduced by the United States Postal Service in 1992. It was also the first commemorative stamp to be wholly produced by offset lithography.
This is a list of postage stamps that are especially notable in some way, often due to antiquity or a postage stamp error. Among the best-known stamps are: Penny Black (Great Britain) Treskilling Yellow (Sweden) Bull's Eye (Brazil) British Guiana 1c magenta. Mauritius "Post Office".
A 2024 study by the USPS Inspector General found that the U.S. had a lower stamp price than 26 out of 30 comparable countries. Additionally, the overall increase in stamp prices from June 2018 to June 2023 (26%) was significantly lower than the average increase of 55% experienced by those same countries.
Non-denominated postage is a postage stamp intended to meet a certain postage rate, but printed without the denomination, the price for that rate. They may retain full validity for the intended rate, regardless of later rate changes, or they may retain validity only for the original purchase price.
Stamp collecting is the collecting of postage stamps and related objects. It is an area of philately , which is the study (or combined study and collection) of stamps. It has been one of the world's most popular hobbies since the late nineteenth century with the rapid growth of the postal service , [1] as a stream of new stamps was produced by ...
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