The Currency Proof Study Group at

The Currency Proof Study Group's Online National Bank Note Plate Proof Research Project has finished beta testing and is ready to launch!

by CDN Publishing l Published on June 25, 2021

greysheet news

Westminster, CO, June 25, 2021 -- “Exploring The Certified Currency Plate Proofs” is a reference work indexing the National Bank Note plate proofs by state, bank charter, date period and denomination. The set of handbooks currently consists of 50,945 face and back proofs, divided into 333 volumes, in PDF format, with many more planned to eventually total 500+ titles. Thanks to all of the beta testers for the many suggestions and improvements.

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The first alpha set, “NBN-PP Set 1.0”, is now posted at
It has been released without watermarks to help future collectors and researchers.

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Banner ad rates are: $250.00 each for 5 years.

Chris Steenerson

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About the National Bank Note eBook collection:

The series provides a visual tour through the National Bank Note plate proofs held in the National Numismatic Collection at the American Museum of National History. These large size notes were issued from 1863 to 1929 by thousands of banks throughout the country and territories, in various denominations, during three Charter Periods. It was the most extensive series of paper money produced by the United States. The reference set also has 330 tables on 475 pages with over 116,500 words. The 4-500 completed titles, as planned, will include Overviews, Indexes and Close-ups by Denomination.

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Source: CDN Publishing

CDN Publishing image The trusted name in numismatic pricing since 1963, CDN Publishing is home to important industry reference and price guides, including the Greysheet, Greensheet, CPG Rare Coin Market Review, and the CAC Rare Coin Market Review, and the Banknote Book. Located in Virginia Beach, you can find out more at, or call 757-655-1056.