Quick answer
Most circulated Bicentennial quarters are worth face value, but higher-grade examples, special issues, and certain errors can be worth more.
How to identify the valuable ones
- Check the mint mark (D, no mint mark, or S)
- Look for strong strike details
- Compare against known error types
Common error types to watch
- Double die (doubling in lettering/details)
- Off-center strike
- Clipped planchet
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Final tip
Use recent sold listings to confirm real-world prices.