NGC Copper Coin Policy? - Coin Community Forum

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Author	Replies: 2 / Views: 1,442
jimbucks Pillar of the Community United States 4692 Posts	Posted 07/25/2018 12:57 am This post came from another forum. The member's referral to CWT is Civil War Token, but it seems to me it would pertain to all copper coins. Can anyone confirm this is accurate, and if so how would one know the so-called expiration date of a slab? Here is the post: "NGC claims copper coins can change over time and thus must be reholdered. It's my understanding NGC will only guarantee the "grade" of CWT's for 10 years then after that it expires. However if you resubmit the CWT to NGC within the 10 year window.. NGC will reholder the slab and extend the grade for another 10 years. If you do not resubmit your CWT within the allowed 10 year time frame NGC does not warrant the grade and the slab is "expired". Once a slab is "expired" you can still resubmit it to NGC however it will be treated as "RAW" ungraded and it will be regarded regardless of the original grade on the slab. The new grade will be up to NGC it could be higher or lower than what was originally issued." Report this Post to the Staff

basebal21 Bedrock of the Community 13014 Posts	Posted 07/25/2018 01:07 am That's mostly accurate. They guarantee the color for 10 years from the date it was graded. The way to figure out when it was graded is either go off clues by the type of holder and label style it is or call them and ask and just explain you have xyz and wanted to know when they needed to be resubmitted by to keep the warranty. Supposedly you can find it on the cert look up for NGC too. Aside from copper it also applies to brass, bronze, and copper plated coins. Report this Post to the Staff
kanga Pillar of the Community United States 5825 Posts	Posted 07/25/2018 08:35 am As I understand it NGC (and PCGS) have found that over time copper will continuing toning, even in the slabs. It's been known for quite a while that slabs are not totally sealed; they do very slowly interact with the outside environment. That's why the best storage conditions are: -- a steady and low humidity -- a constant temperature. PGCS and NGC no longer guarantee for life the descriptors RD (Red) nor RB (Red-Brown). They have found out that 10 years is about the best they can do. Report this Post to the Staff
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