Discussion - Member to Member Sales - Research Center
Discussion - Member to Member Sales - Research Center
Hi, I ask for clarification on this type of perforation, for what use it was issued, and if possible to know the reason for those strokes of red lines on the back of the stamp.
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It is a private perforation used in coil dispensing machines, more info here https://stampsmarter.org/1847usa/PrivatePerfs.html
The ink on the back of the stamp is called 'setoff' and is explained on this page
https://www.stampsmarter.org/learning/Manuf_printingmethods.html
Don
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Thanks for your opinion.
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Could you help me understand, since there are different types of this specimen, which one is 1,2, ..... etc?
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These links have more information on the types (click on the numbers on each stamp to see details).
https://stampsmarter.org/1847usa/washfrank/2cT01_03main.html
https://stampsmarter.org/1847usa/washfrank/2cOSTypesMain.html
Don
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Josef
go to Don's first link. if you scroll towards the bottom of the article, you'll see the various private perforators all listed and examples of those peforations. They are listed alphabetically, so Shermack comes near the end.
The various Shermack types are easily discernable, and Type III especially so. That is the type you posted. It is also the most commonly found of all the Shermacks. There's usually a slight premium for a stamp, and a large premium for on-cover usage.
and, Don, thanks for putting up those great links.
David
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03:31:52pm
Hi, I ask for clarification on this type of perforation, for what use it was issued, and if possible to know the reason for those strokes of red lines on the back of the stamp.
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this post
re: What kind of perforation is it?
It is a private perforation used in coil dispensing machines, more info here https://stampsmarter.org/1847usa/PrivatePerfs.html
The ink on the back of the stamp is called 'setoff' and is explained on this page
https://www.stampsmarter.org/learning/Manuf_printingmethods.html
Don
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04:53:23am
re: What kind of perforation is it?
Thanks for your opinion.
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07:21:47am
re: What kind of perforation is it?
Could you help me understand, since there are different types of this specimen, which one is 1,2, ..... etc?
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this post
re: What kind of perforation is it?
These links have more information on the types (click on the numbers on each stamp to see details).
https://stampsmarter.org/1847usa/washfrank/2cT01_03main.html
https://stampsmarter.org/1847usa/washfrank/2cOSTypesMain.html
Don
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Auctions
re: What kind of perforation is it?
Josef
go to Don's first link. if you scroll towards the bottom of the article, you'll see the various private perforators all listed and examples of those peforations. They are listed alphabetically, so Shermack comes near the end.
The various Shermack types are easily discernable, and Type III especially so. That is the type you posted. It is also the most commonly found of all the Shermacks. There's usually a slight premium for a stamp, and a large premium for on-cover usage.
and, Don, thanks for putting up those great links.
David
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this post