This lot includes two U.S. Mint proof sets from 1987 and 1992. The sets are made of copper and were struck in San Francisco. They are uncirculated and ungraded, but have been certified by the U.S. Mint. These sets are a great addition to any coin collection and are a must-have for proof set collectors. Don't miss your chance to own a piece of American history. 1987, 1987, 1989, 1990, & 1992. Thank you for looking. Carol AK
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