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Frequently Asked
Questions
(FAQ)

How do you determine the wholesale prices for the CDN publications?

The pricing of coins and currency in our publications is derived by our team using an informed mix of data from the online dealer-only trading networks of CDN Exchange and Certified Coin Exchange, auction prices realized, specialist dealer feedback, dealer wholesale buy lists, and more. While our system is proprietary, we welcome feedback on prices which we may need to reexamine.

Can I contribute an article to CDN for publication?

We welcome guest commentary, particularly if you are a specialist in a specific coin or currency series or genre. Please send an email to editor@greysheet.com.

How can I advertise with CDN? What is available?

Please visit our advertising information page for complete information on the various advertising and promotion products we have available.

Why are certain coins or coin series not priced by CDN?

We cover all classic (pre-1933) regular issue U.S. coins, and while we are constantly expanding our pricing coverage, if we do not price a certain coin it is because either: a) it does not trade frequently enough to derive accurate prices or b) there is not enough collector interest. If you do not see the coin you are looking for, please email editor@greysheet.com.

Where can I find back issues of CDN publications?

Recent back issues can be purchased directly from us by calling 757-656-1055. Earlier publications are available to active subscribers on our past issues library.

Does CDN publish any prices online for free?

Yes, we proudly offer Collector’s Price Guide (CPG©) values free on our prices pages. In addition to CPG retail coin prices, we also offer CPG currency prices as well.

Is there a CDN mobile app? Where do I find it?

The CDN mobile app for smartphones is free and contains regularly updated coin and currency pricing as well as a variety of other information. The CDN app is designed for Android and iOS (Apple) devices and can be downloaded from our mobile apps page.

What’s the difference between CDN’s prices and listings on other coin and currency price websites or numismatic price guides?

While prices in some printed guides may not be updated for many months or even years at a time, at CDN we are constantly reevaluating listings for all of the series we cover on a frequent basis, in some cases weekly. This, combined with our comprehensive, proprietary pricing formulas means our price guides are more accurate, more up to ate, more reflective of the wholesale and retail markets than virtually any other pricing information available anywhere else in print or online.