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What Is This Mark Under The Imprint?

 
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Posted 04/02/2020   9:35 pm  Show Profile Bookmark this topic Add davidian to your friends list Get a Link to this Message


It's a small dot that's the same colour as the image, with a white hole in the middle; located under the imprint
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Posted 04/02/2020   9:53 pm  Show Profile Bookmark this reply Add shermae to your friends list  Get a Link to this Reply
Possibly a registration mark used by the printers to line up the perforator.
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Edited by shermae - 04/02/2020 10:06 pm
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Posted 04/02/2020   10:18 pm  Show Profile Bookmark this reply Add itma to your friends list  Get a Link to this Reply
Commonly known as a perf pip. There are a number of set configurations and they are normally collected as a block of 8 plus selvage across the central gutter. The block may or may not contain the inscription, The perf pip is often sliced off when the sheets are trimmed.
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Edited by itma - 04/02/2020 10:23 pm
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Posted 04/02/2020   10:26 pm  Show Profile Bookmark this reply Add rod222 to your friends list  Get a Link to this Reply
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Edited by rod222 - 04/02/2020 10:28 pm
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Posted 04/03/2020   04:12 am  Show Profile Bookmark this reply Add Rob041256 to your friends list  Get a Link to this Reply
Itma is correct.
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Posted 04/03/2020   1:49 pm  Show Profile Bookmark this reply Add itma to your friends list  Get a Link to this Reply
Here is the info from ACSC concerning the per pips that was prevalent of KGVI and early QEII sheets. Four types using a combination of small and large dots.

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Edited by itma - 04/03/2020 1:50 pm
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Posted 04/03/2020   6:13 pm  Show Profile Bookmark this reply Add shermae to your friends list  Get a Link to this Reply
I had never heard of a perf pip before. It is a type of registration mark?
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Posted 04/03/2020   6:54 pm  Show Profile Bookmark this reply Add itma to your friends list  Get a Link to this Reply
They are a guide for the perforation process. They are printed as part of the normal printing process and at the same time a holes are punched in the sheets in the perf pip locations. Originally the punches were part of the printing plates but this was a weakness which caused the plates to crack. As a result the punches were incorporated into printing machine. I'm not entirely sure of exactly how they work.
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Posted 04/04/2020   11:29 am  Show Profile Bookmark this reply Add shermae to your friends list  Get a Link to this Reply
Thanks so much for the additional info. I learned something new! Up to now, I had always thought a pip was a guy who sings with Gladys Knight.
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Posted 04/04/2020   1:46 pm  Show Profile Bookmark this reply Add itma to your friends list  Get a Link to this Reply
In Britain, pips usually referred to the emblems army personnel had on their epaulettes to signify rank. If I remember correctly, it was one pip for a lieutenant - that would be pronounced as leftenant - two for a captain and three for a major. So using the term for small dots is not too outrageous.
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Posted 04/04/2020   6:21 pm  Show Profile Bookmark this reply Add rod222 to your friends list  Get a Link to this Reply

Quote:
I had always thought a pip was a guy who sings with Gladys Knight.


...or those frustrating little things I try and fish out with a spoon,
at the bottom of my Lemon Drinks.

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