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What's the difference between these two Canada Mufti (Scott/Unitrade 239) coil stamps?   |
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| Edited by jogil - 05/01/2023 10:36 am |
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Moderator
United States
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The perfs on the left one are horizontally aligned while the perfs on the right are not?
Don |
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As a flyspecker I notice an engraver's slip on the top stamp - a small line in the right numeral 2. But I have a feeling that is not what you're after?
OK, I was noticing the perf alignment, but it seems to be off on both stamps?
Peter |
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| Edited by Petert4522 - 05/01/2023 10:56 am |
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Noticed there seems to be a difference in the triangle to the upper/left of the left 2. Could be the scan though. |
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Bedrock Of The Community
Australia
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Just using the "toggle" route
both are identical, apart from the perforation locations.
What is immediately apparent, is a small black blemish above the N in Canada
on the lower stamp.
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From 1912 to 1929, a sheet-fed rotary wheel perforator was used to perforate Canadian coil stamps which were made from individual sheets that were cut into strips and pasted together so that the perforations are mostly unaligned across from each other. From 1912 to 1967, start and end blank coil tabs were also perforated this same way.
From 1930 onwards, a web-fed rotary bar perforator was used to perforate Canadian coil stamps which were made from web rolls that were cut into strips so that the perforations are mostly aligned across from each other. The only exception known so far are some Scott 239 and 240 varieties that have the perforations mostly unaligned across from each other just like the 1912 to 1929 coil stamps and the 1912 to 1967 start and end blank coil tabs.
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| Edited by jogil - 05/07/2023 6:33 pm |
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Interesting. If US stamps, Scott likely would have listed the two types. For these, Scott has not. Does the Canada Specialty Catalog (Unitrade, I believe) separate them?
Again an example of production knowledge answering the "why" as to what is different.
Nice!
Edit: Scooted scoot to Scott. |
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| Edited by Parcelpostguy - 05/08/2023 02:57 am |
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They are not currently listed in the Scott/Unitrade Canada catalogue. They may be from coil waste since they were web-fed printed and sheet-fed perforated (instead of web-fed perforated). |
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The regular coil stamp has a gauge of around 7.85 perforations per 2 cm vertically.
The variety coil stamp has a gauge of around 7.95 perforations per 2 cm vertically. |
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 Scott 239, 240, 263, 264, 266 with 240 showing different perforation pattern across. |
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The most informative Canada pre 1951 stamp catalogue
WALSH
2024 BRITISH NORTH AMERICA
SPECIALIZED Stamp Catalogue
15th edition
Has all of those two Mufti coil varieties (2 cents brown and 3 cents red) listed as NSSC 193r and NSSC 194x. |
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| Edited by jogil - 02/01/2024 7:22 pm |
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Went to the CSN stamp show in Mississauga last weekend and found that Roy's Stamps still has available Canada Scott/ Unitrade 239 and 240 mint coil pairs with this perforation variety for sale. |
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| Edited by jogil - 09/14/2024 09:11 am |
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Replies: 14 / Views: 1,807 |
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Posted 05/01/2023 10:35 am
