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Private Perforations

Companies that used their own perforations used as their resource imperforate stamps issued between the years 1906 and 1925. These perforations were applied to imperforate stamps in order the stamps they sold in their stamp machines could be easily separated. The distance between the columns of perforations can vary according to the size of the stamp, it is sufficient to say the perforations are in the stamps margins.

Under each illustration of a private perforation I have listed the catalog numbers of the stamps associated with that perforation. Click a catalog number or stamp to find out more details about that stamp. I have listed the companies perforations roughly in the order of the quantity issued.

Click here for story behind these the perforations

Schermack Company

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The following stamps have Schermack perforations

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All types
345

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Type III
483

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Type III
484

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Type III
535

U.S. Automatic Vending Company

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The following stamp has U.S. Automatic Vending Company perforations

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All types
345

Mail-om-meter

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The following stamps have Mailometer perforations

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All types
345

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Type IV
483

Brinkerhoff Company

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The following stamp has Brinkerhoff perforations

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All types
345

Perforation 8½
Perforation 8½
Perf 10
Perf 10
Perf 11
Perf 11
Perf 11 x 10
Perf 11 x 10
Perf 12
Perf 12
No perfs
No Perfs
Private perfs
Private Perfs