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What we collect!
55 visitors online


United States/Stamps : Perforations

 

Author
Postings
LarryG

27 Nov 2015
12:17:49pm
My new Precision U.S. Specialty Multi-Gauge has a perforation gauge for Bureau Issues. There are multiple sizes for some of the perforations . An example is 10-81, 10-80 , 10-79. Perforations 11 and 12 also have multiple numbers
What does the second number indicate and can it be used to differentiate stamps?

Thank You,
Larry
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seanpashby
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27 Nov 2015
12:38:22pm
re: Perforations

Hi Larry, I recently wondered the same thing. Click the link below to see a lot of info. The short answer is that the second number is the distance between the holes, or pin spacing in thousands of an in.

here

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LarryG

27 Nov 2015
04:43:03pm
re: Perforations

Thank you. The sites referred to are a help.
Larry

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Author/Postings
LarryG

27 Nov 2015
12:17:49pm

My new Precision U.S. Specialty Multi-Gauge has a perforation gauge for Bureau Issues. There are multiple sizes for some of the perforations . An example is 10-81, 10-80 , 10-79. Perforations 11 and 12 also have multiple numbers
What does the second number indicate and can it be used to differentiate stamps?

Thank You,
Larry

Like
Login to Like
this post
Members Picture
seanpashby

27 Nov 2015
12:38:22pm

re: Perforations

Hi Larry, I recently wondered the same thing. Click the link below to see a lot of info. The short answer is that the second number is the distance between the holes, or pin spacing in thousands of an in.

here

Like
Login to Like
this post
LarryG

27 Nov 2015
04:43:03pm

re: Perforations

Thank you. The sites referred to are a help.
Larry

Like
Login to Like
this post
        

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