The 2009 United States Mint Proof Set contains 18 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: William Henry Harrison, John Tyler, James K. Polk and Zachary Taylor; the six quarter-dollar coins honoring the District of Columbia and the five U.S. territories: Puerto Rico, Guam, American Samoa, the U.S. Virgin Islands and the Northern Mariana Islands; the four Lincoln Bicentennial One Cent Coins recognizing the bicentennial of Abraham Lincoln?s birth; a new Native American $1 Coin; and the Jefferson nickel, Roosevelt dime and Kennedy half-dollar.

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