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Welcome to the #1 Numismatic Dealer-Only Exchange

You're in the right place, if you buy and sell rare coins or currency and want access to the latest pricing and auction records. Sign up today!

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Join Our Leading Market Makers

John Albanese Numismatics
John Albanese Numismatics
$53.75M in bids
Witter Coin
Witter Coin
$44.51M in bids
Max Brand
Max Brand
$29.41M in bids
Peak Rarities
Peak Rarities
$23.22M in bids
Tangible Investments
Tangible Investments
$11.52M in bids
Flower Hill Collectables
Flower Hill Collectables
$8.82M in bids
Colonial Gold and Silver
Colonial Gold and Silver
$8.09M in bids
DLRC
DLRC
$4.31M in bids

Pricing

Join the CDN Exchange Community!

Membership for CDNX is exclusively for coin & currency dealers only. If you buy and sell U.S. coins and/or currency, you should be a member of our online dealer-to-dealer exchange.

Full Membership

$150USD

  • Join over 325 elite coin and paper money dealers.
  • Private CDNX member messaging (exclusive offerings, industry info, etc)
  • Over 287,000 different market screens for U.S. & World Coins and Paper Money
  • NGC & CAC populations
  • CDN values
  • Upload your inventory to the Greysheet Marketplace

Blog

Latest articles

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Second Quarter Dollar Released in 2026 Semiquincentennial Circulating Coin Program

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Veteran Dealer John Brush Selected as New PNG President

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The Business of Numismatics: May 2026 Greysheet Editor's Letter

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Weekly World Mint Coinage: May 7, 2026

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Team

The team behind our success

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John Feigenbaum

President & CEO
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Patrick Ian Perez

Vice President Data & Content
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Billie Blattel

Vice President of Operations, Advertising Manager
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Michael Pfeiffer

Director of Operations