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  2. Stamp numbering system - Wikipedia

    en.wikipedia.org/wiki/Stamp_numbering_system

    A related issue is a small number of extremely rare stamps that may or may not be old forgeries; the assignment or removal of a number is a key step in the consensus as to their authenticity. Philatelists typically identify more types of stamps than do the governments issuing them.

  3. Check Your Attic: These Stamps Are Worth Millions - AOL

    www.aol.com/finance/check-attic-stamps-worth...

    1847 Mauritius 'Post Office' Stamps. $9.6 million. According to Barnebys, the legendary Mauritius stamps debuted in 1847, just seven years after Sir Rowland Hill created the first postage stamp in ...

  4. Coded postal obliterators - Wikipedia

    en.wikipedia.org/wiki/Coded_postal_obliterators

    Detail of a French stamp of 1854 cancelled with a “losange à petits chiffres” number 1152. This number was assigned to Dunkerque. "A11" cancel of Castries, Saint Lucia. Coded postal obliterators are a type of postmarks that had an obliterator encoded with a number, letter or letters, or a combination of these, to identify the post office ...

  5. Scott catalogue - Wikipedia

    en.wikipedia.org/wiki/Scott_catalogue

    The Scott numbering system assigns plain numbers for regular mail stamps, and uses capital letter prefixes for special-purpose types, such as "B" for semi-postals and "C" for airmail. The numbers are generally consecutive; there are gaps among older stamps, where some numbered types were later renumbered, and among newer stamps where Scott has ...

  6. What your old stamps are worth now

    www.aol.com/news/2016-05-10-what-your-old-stamps...

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  7. Stamp catalog - Wikipedia

    en.wikipedia.org/wiki/Stamp_catalog

    A stamp catalog (or stamp catalogue) is a catalog of postage stamp types with descriptions and prices. The stamp catalog is an essential tool of philately and stamp collecting. Stamp catalogs are part of philatelic literature. Similar catalogs of other collectible objects. such as matchboxes and postcards , have also been issued

  8. Plate number - Wikipedia

    en.wikipedia.org/wiki/Plate_number

    The plate number is on one stamp out of the number of stamps printed by a single revolution of rotary printing press used to print the stamps. In the example above, which is a closeup of a strip of 1996 "flag over porch" self-adhesive stamps, we can see a plate number comprising five digits, one for each color layer.

  9. Canada 2c Large Queen on laid paper - Wikipedia

    en.wikipedia.org/wiki/Canada_2c_Large_Queen_on...

    It was announced on 16 July 2013 that the Greene Foundation had issued a certificate of genuineness to a Canada Two Cent Large Queen stamp on laid paper, Scott number 32. This is only the third known copy of this stamp and the first copy seen since the two existing copies were expertized in 1935 by the Royal Philatelic Society London . [ 3 ]