These United States Mint 2009 District of Columbia and U.S. Territories Silver Quarter Proof Sets include six new quarters honoring Washington D.C. and the five U.S. territories. The set displays gem proof examples of the District of Columbia, the Commonwealth of Puerto Rico, Guam, American Samoa, the U.S. Virgin Islands and the Commonwealth of the Northern Mariana Islands quarters.
Struck at the San Francisco Mint in a 90% silver composition, each set comes in its original mint box with certificate.
United States 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 hand-polished dies and struck at least twice to ensure sharp relief. The coins are then packaged in presentation cases to showcase and maintain their exceptional finish.
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