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Does An Expert's Mark Add Value To A Stamp's Authenticity?

 
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Sri Lanka
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Posted 11/29/2020   12:48 pm  Show Profile Bookmark this topic Add Twinklefeet to your friends list Get a Link to this Message
Some of the high-value colonial stamps in my collection come expertized, by one or two relatively known experts from the past. Do these seals add anything to a stamp's genuine-ness?

Many Thanks for comments.
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Posted 11/29/2020   12:56 pm  Show Profile Check 51studebaker's eBay Listings Bookmark this reply Add 51studebaker to your friends list  Get a Link to this Reply
1. Expert marks can (and sometimes often are) be faked/forged.
2. Many advancements have been made in detecting faked/forged stamps in the last few decades.
3. The knowledgebase of faked/forged stamp has increased in recent decades.

For the reasons above, I typically place less value in old experts marks then I do with recent certifications.
Don
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United Kingdom
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Posted 11/29/2020   12:58 pm  Show Profile Bookmark this reply Add GeoffHa to your friends list  Get a Link to this Reply
They don't create or add "genuineness", which already exists, but they can confirm it make a sale easier. The complication is that expert marks have themselves can be, and have been, faked.
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Posted 11/29/2020   1:05 pm  Show Profile Bookmark this reply Add redwoodrandy to your friends list  Get a Link to this Reply
Depends on the expert. Some of the "experts" have been proven incorrect for many different reasons in the passage of time and newer investigative techniques have prevailed.
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Israel
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Posted 12/01/2020   10:41 am  Show Profile Bookmark this reply Add Rob Roy to your friends list  Get a Link to this Reply
Since people collect anything related to the stamps industry, are there experts whose seals are sought more?
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Posted 12/01/2020   11:19 am  Show Profile Bookmark this reply Add redwoodrandy to your friends list  Get a Link to this Reply
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Edited by redwoodrandy - 12/01/2020 11:26 am
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Posted 12/01/2020   11:26 am  Show Profile Bookmark this reply Add John Becker to your friends list  Get a Link to this Reply
The question is very broad and general. Especially without illustrations. It needs to be dealt with on a stamp by stamp basis. Whose mark is on what? Each expert had their own areas of knowledge. As you can see from the other replies and links - it all depends. Do you have a specific example to share/discuss?
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