10 Unbelievable Errors You Didn't Know About 

10. 1975-D High D-Mark

9. 1949-D Jefferson Nickel

8. 1954-S Jefferson Nickel

7. 1943-P 3 over 2 Monticello

6. 1955-D Jefferson Nickel

5. 1945-P Doubled Die Reverse

4. 1971 No S

3. 1939 Double Monticello

2. 1918/7-D Buffalo Nickel

1. 1916 Buffalo Nickel

11 Most Valuable Modern Quarters