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1966 Washington Quarters, Special Mint Set Values
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The Greysheet Catalog (GSID) of the Washington Quarters, Special Mint Set (1964–1967) series of Quarters in the U.S. Coins contains 3 distinct entries with CPG® values between $1.50 and $5,000.00.
Washington quarters struck with special finishes for collectors and generally not intended for circulation. The 1964 Special Mint Set (SMS) issue was experimental and extremely rare.
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The prices listed in our database are intended to be used as an indication only. Users are strongly encouraged to seek multiple sources of pricing before making a final determination of value. CDN Publishing is not responsible for typographical or database-related errors. Your use of this site indicates full acceptance of these terms.
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Auction Ends: 12/22/2025
Auction Ends: 12/22/2025
Buy Now: $171.13
Auction Ends: 12/22/2025
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