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Stamp With Bizarre Fluorescence

 
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Author Previous TopicReplies: 8 / Views: 415Next Topic  
Valued Member

Canada
5 Posts
Posted 08/28/2022   9:43 pm  Show Profile Bookmark this topic Add Jacques to your friends list Get a Link to this Message

This is stamp 468 with ackward fluorescence on one of the stamps.
What kind of error is that?
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Pillar Of The Community
United States
8171 Posts
Posted 08/28/2022   10:45 pm  Show Profile Bookmark this reply Add Petert4522 to your friends list  Get a Link to this Reply
It is very possible that this fluorescence comes from another stamp that came in contact with this one at some time.
It has been known to happen


Peter
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Pillar Of The Community
Canada
1369 Posts
Posted 08/28/2022   11:30 pm  Show Profile Bookmark this reply Add No1philatelist to your friends list  Get a Link to this Reply
Is that pair mint never hinged, or an unused no gum pair?
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Valued Member
Canada
5 Posts
Posted 08/29/2022   06:47 am  Show Profile Bookmark this reply Add Jacques to your friends list  Get a Link to this Reply


This pair seems to be unused with its original glue but has some writing at the back
Jacques
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4585 Posts
Posted 08/29/2022   07:20 am  Show Profile Bookmark this reply Add John Becker to your friends list  Get a Link to this Reply
The writing on the back answers the question that it was "done in 6 seconds with a Brinks pen". Most such invisible ink pens are used in the security world and are UV-active to read the markings placed on an object. Thus added after-sale and is not a production variety. Any different interpretations of the cause/effect?
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Edited by John Becker - 08/29/2022 07:26 am
Valued Member
Canada
5 Posts
Posted 08/29/2022   09:10 am  Show Profile Bookmark this reply Add Jacques to your friends list  Get a Link to this Reply
Thank you very much. All this now makes sens
Jacques
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Canada
1369 Posts
Posted 08/29/2022   11:35 pm  Show Profile Bookmark this reply Add No1philatelist to your friends list  Get a Link to this Reply
This is a great example for newcomers to the forum when asking questions about their prized possessions.

Isn't it great when people asking questions about stamps offer a clear scan of both sides and give all the particular known information available about them in one post. That way knowledgable persons in the forum can respond with an informed accurate and often definitive answer in a very short time. It helps eliminate the guessing or asking for more scans and info to arrive at a conclusive answer.

It just makes life simpler.

Edit: spelling correction.
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Edited by No1philatelist - 08/29/2022 11:55 pm
Valued Member
United States
23 Posts
Posted 09/06/2022   1:45 pm  Show Profile Bookmark this reply Add EFO_collector to your friends list  Get a Link to this Reply
I bought this one as an EFO tagging error, but not sure it's so different than a misperfed stamp.

Is this pretty common?

MNHOG

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United States
8171 Posts
Posted 09/06/2022   2:31 pm  Show Profile Bookmark this reply Add Petert4522 to your friends list  Get a Link to this Reply
Yes, it is. The tagging breaks are supposed to be where the perforations are. The tagging is abrasive and can wear out the perforator pins, hence the blocktagging. But quality control was not very effective when it came to tagging!


Peter
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