How do you identify valuable stamps?

Answer

You can identify valuable stamps, like German ones, by looking at certain features. Watermarks are features that help identify the source or age of of the stamp. Age is also a matter because older ones has more value. Rarity also determines value of a stamp.
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Q&A Related to "How do you identify valuable stamps?"
1. Identify the denomination (amount the stamp originally cost) and color, and check it against the stamp identification section in the Scott Postage Stamp Catalog. The Catalog has
http://www.ehow.com/how_6364539_identify-valuable-...
Romanian stamps can be very valuable. Romanian stamps can be worth 8 to 400 dollars. The value of the Romain stamps depend on their quality and age.
http://wiki.answers.com/Q/How_valuable_are_Romania...
Edward, Its not uncommon to find some blue color in the red stripes on this issue. If the blue is really prominent on some stamps, the block may be of interest to an Error, Freak
http://en.allexperts.com/q/Stamps-Philately-1610/2...
it depends on the value of the material. Probably not much. If it's stamped with West Germany, all it tells you that it was probably made between 1974 and 1990, which might be vintage
http://answers.yahoo.com/question/index?qid=200801...
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Ask.com Answer for: how to identify valuable stamps
How to Identify Valuable Stamps
Stamp collecting can be a lifelong pursuit, and dedicated collectors spend years studying, cataloging and gathering stamps. There are a few tricks to keep in mind for spotting valuable stamps, even if you do not have a history with them. Knowing the age,... More »
Difficulty: Moderate
Source: www.ehow.com
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The most valuable postage stamps in the world include the 1853 Cape of Good Hope Stamp, which has an estimated value of $40,000, the Perot Provisional stamp and ...
Rare German stamps that are old, in good condition, and were not overly mass produced are normally the most valuable. It is always best to have vintage German ...
Some of the most valuable Canadian tamps include St. Lawrence Seaway stamp, which was issued on June 26, 1959 to commemorate its opening, Christmas stamp, and ...
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