Coin Highlights
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Date/Mint: 2006-S, San Francisco
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Denomination: Quarter Dollar
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Composition: 90% silver, 10% copper
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Strike: Proof
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Weight: 6.30 grams
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Diameter: 24.30 mm
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Edge: Reeded
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Mintage: 1,585,008
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Obverse: George Washington by John Flanagan
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Reverse: Mount Rushmore, pheasant, and wheat heads
Historical Significance
South Dakota was the 40th coin released in the 50 State Quarters Program and the fifth issue of 2006. The design honors South Dakota’s admission to the Union in 1889 and highlights two of the state’s best-known symbols: Mount Rushmore and the pheasant.
Collectibility
This silver proof issue was included in the 2006 United States Mint 50 State Quarters Silver Proof Set, which featured all five 2006 state quarters struck in 90% silver. Its proof-only format, silver composition, and iconic South Dakota reverse make it a popular addition to modern silver proof quarter sets.
