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Coin collectors know that buying from a trusted dealer is critical. CDN Exchange (CDNX) is a dealer exchange wholly owned by CDN Publishing, the home of the well-known industry publications: Greysheet (wholesale coin pricing), Greensheet (wholesale currency pricing), CPG Coin & Currency Market Review (retail pricing).

CDN Exchange members are part of a vetted professional group which include many of the world’s largest and most experienced coin, precious metal, and currency dealers, auction companies, and grading houses. Members have pledged to uphold honesty and integrity in dealings with eBay buyers and committed to increasing trust and safety for buyers of these items.  Click here to find CDNX seller inventory on eBay.

Our membership roster is a premiere group of dealers, auctioneers, and grading organizations including:

  • Numismatic Guaranty Corporation (NGC)
  • Heritage Auctions
  • Stack’s Bowers
  • Certified Acceptance Corporation (CAC)
  • U.S. Coins
  • ModernCoinMart

Experience and assets. Our membership includes some of the largest and most highly established organizations in the numismatic community.
Commitment. CDNX member dealers are committed to the highest professional standards and pledge adherence to a buyer’s Bill of Rights.
Quality. Many of the coins they sell have been authenticated and certified by NGC or PCGS.
About CDN Exchange:
Industry standard pricing guides from CDN: Available Here on eBay

CDN sets the standard for integrity and objectivity in the rare coin market. Prices move quickly, and only CDN is 100% dedicated to the task of monitoring, analyzing and reporting accurate price data to our readers. Select the best publication for your needs.

Greysheet cover


The CDN flagship publication, the Monthly Greysheet magazine provides nearly 100,000 current wholesale prices on the U.S. rare coin market. Greysheet now includes pricing on modern China issues as well.

Single issue
CPG cover

CPG® Coin & Currency Market Review

The CPG® Coin & Currency Market Review was introduced in January 2018 to provide a complete printed reference of all CPG® (retail) values of U.S. coins and currency. This indispensable guide is printed in magazine, full color and high quality paper. Issued 4 times a year on a quarterly basis.

Single issue
Greensheet cover


The industry standard for wholesale U.S. currency pricing, the Greensheet is published monthly. Each issue is approx 16 pages full of indispensable, updated market pricing.

Single Issue
CAC Rare Coin Market Review cover

CAC Rare Coin Market Review

A 68-page retail price guide for collectors, investors, and dealers of CAC-approved certified coins.

Single issue
Secrets of the Rare Coin & Bullion Business cover

Secrets of the Rare Coin & Bullion Business

An indispensable book by industry-expert Michael Garofalo. Teaches you how the industry works behind the curtain with chapters devoted to everything from retail marketplaces like eBay, to pricing sources, trade publications, grading services, major retailers, and even CAC. Over 170 pages.

Single issue
Early Paper Money of America cover

Early Paper Money of America (Eric P. Newman)

The 2023 Edition fills 472 pages of this rare and indispensable guide to colonial paper money is includes all-new pricing by the CDN editors of Greensheet, and now includes hundreds of color images.

Single Issue
Are you a professional coin or paper money dealer selling on eBay?

Join CDN Exchange today for maximum visibility!

Membership in CDN Exchange offers considerable benefits including our dealer-to-dealer platform. All of your eBay listings will benefit from the CDNX logo which tells buyers that you are part of our trusted group of members who pledge to treat customers fairly, deliver goods quickly and respond rapidly to any questions. If you meet this criteria, we would love for you to join us. Click here for details and membership application.