This is a rare US 1776-1976 D Bicentennial Quarter, which features a filled mint mark indicating that it was minted in Denver. The quarter is made of silver and was issued in 1966 as part of the United States Bicentennial celebrations. This Proof strike type coin is a valuable piece for collectors, showcasing the special design created for the bicentennial year. It is a piece of American history, celebrating 200 years of independence.
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