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News
The C4 Library is Offering For Sale, its collection of “The Numismatist” 1894 to 2023
C4 Internet Only Book Sale #5!
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C4 Participates in Stack’s Bowers Grand Opening of Its Boston Store
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The C4 Library is Offering Collection Sale
Build Your Numismatic Library
Christine Karstedt Recognized with Honorary Life Membership
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C4 Convention
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Stack’s Bowers Consignments
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Creation of The Sydney F. Martin Memorial Numismatic Publication Award
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