"Philately (/fɪˈlætəliː/; fi-LAT-ə-lee) is the study of postage stamps and postal history. It also refers to the collection, appreciation and research activities on stamps and other ...
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philatelic products. Philately involves more than just stamp collecting or the study of postage; it is possible to be a philatelist without owning any stamps. For instance, the stamps being studied may be very rare or reside only in museums." - (en.wikipedia.org 29.02.2020)