Look for rare silver-clad quarters with the "S" mint mark.
High-grade, uncirculated quarters are significantly more valuable.
Identify mint errors like double dies and off-center strikes.
Proof versions of Bicentennial quarters can fetch high prices.
Know the difference between Type I and Type II reverse designs.
Get your quarters professionally graded to maximize their value.
Stay updated on auction trends for rare Bicentennial coins.
Proper storage in protective holders preserves and enhances their value.
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