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New Member

United States
8 Posts
 Posted 01/05/2008  8:30 pm Show Profile   Bookmark this topic Add erjed to your friends list Get a Link to this Message Number of Subscribers
Does PCGS, NGC and ANACS provide a way to verify a slabbed coin using the numbers on the slabs?
Thinking this would somehow help in identifying fake slabs and tampered slabs.
Pillar of the Community
United States
1231 Posts
 Posted 01/06/2008  09:08 am  Show Profile   Bookmark this reply Add onejinx to your friends list Get a Link to this Reply
I know you can verify numbers with PCGS and I think you can with NGC. But that wouldn't help in determining if it is a fake slab. Nowadays the people making the fake slabs will use legitimate numbers.

eBays new rules change have been a little bit of a help, but it opens up a new area for slab counterfeiters. ebay now requires sellers to show photos of the front and back of the slabs. There is nothing stopping a crook from copying pictures off of ebay and listing their own auctions just to get money.
New Member
United States
8 Posts
 Posted 01/06/2008  1:27 pm  Show Profile   Bookmark this reply Add erjed to your friends list Get a Link to this Reply
Thanks for the reply. Have to try and be extra careful from now on. Particularly on ebay.
Pillar of the Community
m9frank's Avatar
United States
628 Posts
 Posted 01/07/2008  3:55 pm  Show Profile   Bookmark this reply Add m9frank to your friends list Get a Link to this Reply
I wonder if RFID chips could be used ( the tiny tags used to identify everything from crates of oranges to you dog's ID, injected under the skin )

The technology has been around since the mid 1940s.

Wonder if it would work in coin slabs?

As I learn more about grading I buy mostly raw coins and rely on TPGs to slab them for resale. Am I bragging? I hope not. Don't want to get banned from another coin club ( kidding )
Bedrock of the Community
Conder101's Avatar
United States
17884 Posts
 Posted 01/08/2008  10:39 am  Show Profile   Bookmark this reply Add Conder101 to your friends list Get a Link to this Reply
Yes PCGS has online certificate look up that anyone can access. NGC has online look-up that paid members can access. ANACS and ICG do not have such a look up as far as I know. But does it matter?
Online-Verification

If you look up that certificate number it comes back as genuine and it matches the information on the label. The problem is it is actually referencing this slab. (Note identical serial numbers and label data)
Online-Verification

The first slab was sold on ebay by a seller in China, the coin in the slab is a known counterfeit. The second one is the genuine slab that was sold by Heritage.

I have described in other threads and forums how using an RFID to authenticate the slab can be defeated.
Edited by Conder101
01/08/2008 10:42 am
Valued Member
greyhav's Avatar
United States
144 Posts
 Posted 01/08/2008  2:02 pm  Show Profile   Bookmark this reply Add greyhav to your friends list Get a Link to this Reply
The back of the above counterfeit slab has three misspelled words on the hologram.

http://www.ngccoin.com/news/viewart...DArticle=954
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