The 2008 United States Mint Silver Proof Set contains 14 coins, each bearing the S mint mark of the United States Mint at San Francisco. Included in this set are four Presidential $1 Coins honoring past Presidents of the United States: James Monroe, John Quincy Adams, Andrew Jackson and Martin Van Buren; the final five quarters from the 50 State Quarters Program: Oklahoma, New Mexico, Arizona, Alaska and Hawaii; and the Lincoln cent, Jefferson nickel, Roosevelt dime, Kennedy half-dollar, and Golden Dollar featuring Sacagawea. Distinguishing this collection are the dime, half-dollar and five state quarters, all of which are produced in lustrous 90% silver.

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