Plate number
Encyclopedia
A plate number is a number printed in the margin of a sheet or roll of postage stamp
s which shows the printing plate used to print the stamps.
and stamp collectors
analyze or collect plate numbers and stamps with different plate numbers. The American Plate Number Single Society (APBSS) is an example of a specialist philatelic society which focuses on plate numbers. APNSS is affiliate #178 of the American Philatelic Society
Postage stamp
A postage stamp is a small piece of paper that is purchased and displayed on an item of mail as evidence of payment of postage. Typically, stamps are made from special paper, with a national designation and denomination on the face, and a gum adhesive on the reverse side...
s which shows the printing plate used to print the stamps.
A plate number is the serial number of a printing plate. It is printed in the selvage or border of a pane of postage stamps.Philatelists
Philately
Philately is the study of stamps and postal history and other related items. Philately involves more than just stamp collecting, which does not necessarily involve the study of stamps. It is possible to be a philatelist without owning any stamps...
and stamp collectors
Stamp collecting
Stamp collecting is the collecting of postage stamps and related objects. It is one of the world's most popular hobbies, with the number of collectors in the United States alone estimated to be over 20 million.- Collecting :...
analyze or collect plate numbers and stamps with different plate numbers. The American Plate Number Single Society (APBSS) is an example of a specialist philatelic society which focuses on plate numbers. APNSS is affiliate #178 of the American Philatelic Society
American Philatelic Society
The American Philatelic Society is the largest nonprofit stamp collecting and organization of philately in the world, with almost 44,000 members from 110 countries...