2011 United States Mint Silver Proof Set- San Francisco, COA

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The 2011 United States Mint Silver Proof Set contains all 14 circulating coins in stunning proof condition displayed in three protective lenses. Each of these 2011-dated coins bears the “S” mint mark of the United States Mint at San Francisco. The coins included in this set are: (5) quarters 90% silver from the America the Beautiful Quarters ® Program (honoring Gettysburg National Military Park in Pennsylvania, Glacier National Park in Montana, Olympic National Park in Washington, Vicksburg National Military Park in Mississippi and Chickasaw National Recreation Area in Oklahoma) (4) Presidential $1 Coins (honoring Presidents Andrew Johnson, Ulysses S. Grant, Rutherford B. Hayes and James Garfield) (1) Native American $1 Coin with a reverse design emblematic of the peace alliance created by the 1621 Wampanoag Treaty (1) Kennedy half-dollar 90% silver (1) Roosevelt dime 90% silver (1) Jefferson five-cent coin (1) Lincoln cent United States Mint proof coins are extraordinarily brilliant, with sharp relief and a mirror-like background. Their frosted, sculpted foregrounds give them a special cameo effect. Proof blanks are specially treated, polished and cleaned to ensure high-quality strikes. The blanks are then fed into presses fitted with specially polished dies and struck at least twice to ensure sharp relief. The coins are then read more