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Imperforate Errors

Imperforate Errors result when the perforations are absent from a normal perforated stamp. Most imperforates are sold as pairs to fully show the extent of the error.

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  1. Flag Over Supreme Court Error
    Flag Over Supreme Court Error - 1981 Imperforate Mint Coil Pair
    $12.50
    Wish List Flag Over Supreme Court Error 89651
  2. Francis Parkman Imperforate Error
    US #1297 3¢ Francis Parkman Error - Imperf vertical pair
    $25.00
    Wish List US #1297 3¢ Francis Parkman Error 74790
  3. Ft McHenry Imperforate Error
    US #1597 15¢ Fort McHenry Flag Error - Imperforate vertical pair
    $19.50
    Wish List US #1597 15¢ Fort McHenry Flag Error 74792
  4. 14¢ Sinclair Lewis Imperforate Error $1856c
    US #1856 14¢ Sinclair Lewis Error
    $19.50
    Wish List US #1856 14¢ Sinclair Lewis Error 64414
  5. Flag over the Capitol Imperf Pair
    US #2115 22¢ Flag over Capitol Error - Imperforate pair
    $12.00
    Wish List US #2115 22¢ Flag over Capitol Error 74794
  6. US #2518 F Rate Tulip Error
    US #2518 F Rate Tulip Error - Imperforate horizontal pair
    $29.00
    Wish List US #2518 F Rate Tulip Error 74800
  7. 15¢ Ft McHenry Flag Error
    US #1618C 15¢ Fort McHenry Flag Error - Imperforate horizontal pair
    $26.00
    Wish List US #1618C 15¢ Fort McHenry Flag Error 63943
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