10 Most Expensive Mercury Dimes Worth Finding Before Its Too Late 

10. 1940-S 10C (Regular Strike) 

9. 1940-D 10C (Regular Strike) 

8. 1940 10C (Regular Strike) 

7. 1939-S 10C (Regular Strike) 

6. 1939-D 10C (Regular Strike) 

5. 1929-S 10C (Regular Strike) 

4. 1929-D 10C (Regular Strike) 

3. 1929 10C (Regular Strike) 

2. 1928-S 10C (Regular Strike) 

1. 1928-D 10C (Regular Strike)