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Category: Articles
C4 Participates in Stack’s Bowers Grand Opening of Its Boston Store
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The C4 Library is Offering Collection Sale
C4 Internet Only Book Sale #3!
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Build Your Numismatic Library
Christine Karstedt Recognized with Honorary Life Membership
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2022 Whitman Expo – C4 Dinner – March 31
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2021 C4 National Convention / Whitman Expo – November 18-20
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Creation of The Sydney F. Martin Memorial Numismatic Publication Award
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