"used" means the stamp went through the mails and is cancelled. Stamps are often called copies. So, a "used copy" means a "cancelled stamp".
stamp collecting
Stamp collecting which is a hobby sometimes used in the schools to teach economics and social studies.
Litho in stamp collecting refers to the printing process called offset lithography.
Start by buying the Scott Catalogue for use in referencing. Read about stamps on your computer, join a sstamp club. Every collector is different and both used and unused stamps have places in our collections. This becomes especially true when the mint copy of a stamp is priced beyond our means. A collector will then "settle" for a used copy, or if the stamp is extremely expensive and even the used copy is too costly, a collector will settle for a stamp with a Fault (missing piece, tear, clipped perforation, hole, scuff, thin spot, crease, toning, oxidation, stain, short perforation, etc. on a stamp). Value for a stamp is based on its "rarity" as well as its condition. There are some stamps worth more used than mint. It is not impossible to collect almost every US stamp issued since 1924 in mint very fine, never hinged condition. (This would be the top condition of a stamp). Welcome to the world of Stamp Collecting.
Kenneth F. Chapman has written: 'Good stamp collecting' -- subject(s): Collectors and collecting, Stamp collecting
There are a few names used for a stamp collection. The most common one is a stamp philatelic. A few other names that people use are stamp sets and stamp books.
That would be Scott number US 2445. You can buy a mint copy for $3.75 and a used copy for 30 cents.
Margaret I. Morris has written: 'Thematic stamp collecting' -- subject(s): Stamp collecting
Walter Young has written: 'Stamp collecting, A to Z' -- subject(s): Stamp collecting
Stamp collecting
because stamp were easily obtained .
This stamp is still easy to find.You should be able to buy a mint copy for or a nice used copy for20 cents.