Click for fullscreen The U.S. State Quarter Proof Set is quickly becoming the most popular proof set and is a staple for a beginning coin collection. State Quarter Proof Sets are perfect items to give for birthdays, anniversarys, or any special occasion such as the birth of a new baby, graduation or a wedding. These superb quality proof sets include all five proof quarters issued under the 50 State Quarters Program during each specific year. Each State Quarter Proof Set comes with the Certificate of Authenticity (COA) and packaging directly from the U.S. Mint.
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