NGC designs custom holder to house the 200 most rare, unique and famous American coins in the Smithsonian's National Numismatic Collection.
The Smithsonian’s National Museum of American History today announced a pilot project to assess the use of protective coin holders for the National Numismatic Collection housed at the museum. The 200 most rare, unique and famous American coins in the collection will be placed into customized plastic holders that will allow greater access to coins while improving their protection.
This initial group of coins was chosen because they are the most frequently handled. The project is . . .
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