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Canada Airmail Stamps. Question On Perforations

 
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Canada
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Posted 03/04/2021   4:27 pm  Show Profile Bookmark this topic Add Neophyte123 to your friends list Get a Link to this Message




Pictures of a couple of mint blocks that are part of my collection.

The first one has me thinking that the perforation guy was drinking that morning and missed the target a bit.

The second has perforations that appear out of place.

My question is.... does this add to or subtract from the value of the stamps?

Thank you for your responses.
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Posted 03/04/2021   4:39 pm  Show Profile Bookmark this reply Add rogdcam to your friends list  Get a Link to this Reply
The first block is indeed not centered very well and the value may be seen as less. The second is a booklet pane. Looks just fine to me.
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Posted 03/04/2021   4:43 pm  Show Profile Bookmark this reply Add Petert4522 to your friends list  Get a Link to this Reply
Neophyte, what do you mean by "perforations appear out of place" ?


Peter
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Canada
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Posted 03/04/2021   5:21 pm  Show Profile Bookmark this reply Add Neophyte123 to your friends list  Get a Link to this Reply
Petert4522

My lack of knowledge is showing...again...still
I had it it my head that perforations should "miss" each other where they cross.

Once I read rogdcam's response I started looking more closely at stamp blocks from that period and sure enough some do and some don't line up nicely where they cross each other.

So now I am looking at stamp blocks from the Scott # 500's and on and the perfs seem to line up much better on the crossing points

They musta fired the guy who was drinking sometime in the 60's ... or the perforation system vastly improved, I suspect the latter to be true.

Either way it just proves just how much I have to learn.

Thx and have a great day
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Posted 03/04/2021   5:27 pm  Show Profile Bookmark this reply Add itma to your friends list  Get a Link to this Reply
Are you referring to the way the perforations do not meet neatly where the horizontal and vertical lines meet? As a newbie, are you familiar with the terms "line perforation" and "comb perforation"? If not, suggest you check them out.

On the first block, though it is hard to tell because of the blurry picture, it almost looks as if the horizontal perforator struck twice, not quite at the same angle.
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Posted 03/04/2021   5:52 pm  Show Profile Check 51studebaker's eBay Listings Bookmark this reply Add 51studebaker to your friends list  Get a Link to this Reply
Perforation technologies like 'electric eye' greatly improved the centering on stamps around 1940 on-ward.
Don
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Posted 03/04/2021   6:39 pm  Show Profile Bookmark this reply Add wert to your friends list  Get a Link to this Reply
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Posted 03/04/2021   6:45 pm  Show Profile Bookmark this reply Add Petert4522 to your friends list  Get a Link to this Reply
Hi Neophyte. Thanks for clarifying. Just so you realize, there are two distinct types of perforation used namely line perforation and comb perforation.
Go here: https://www.stampcommunity.org/topi...PIC_ID=55083 for an explanation and pictures


Peter
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Canada
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Posted 03/04/2021   8:32 pm  Show Profile Bookmark this reply Add Neophyte123 to your friends list  Get a Link to this Reply
Thank you everyone

The link to perforation types was just perfect.

Cheers!
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