1: Bicentennial quarters are worth face value.

2: Some rare quarters could be worth more.

3: Look for double-die errors or silver clad.

4: Rarest quarters have errors or mint marks.

5: 1976-S proof quarters are highly sought after.

6: Beware of counterfeit bicentennial quarters.

7: Check coin grading and authenticity.

8: Investment potential in rare bicentennial quarters.

9: Consult experts for valuation and appraisal.