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Before you wash off a stamp or even trim a stamp off an envelope have a CLOSE look at the envelope.
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Does the envelope have any interesting postmarks on it ? |
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Is there any errors in the printing of the stamp? |
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Is there any errors in the postmark? for example is the date up the correct way? how is the spelling, are there any mistakes? |
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If it is a very old envelope, check to see it the post office still exists. Has the place changed its name? Is the postmark a rare one? |
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Would the item be more interesting in your collection if it were to remain on the envelope? |
If there is an error or some interesting postmarks of any kind it may be worth more left on the envelope. |
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This cover from United States of America has a nice postmark in red. TH> |
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A Slovenian Cover with a clear postmark |
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A New Zealand Cover with some interesting postmarks. |
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