10 Most Expensive US Dollar Coin That Will Surprise You 

10. 1798 $2.50 Close Date (Regular Strike) 

9. 1797 $2.50 (Regular Strike) 

8. 1796 $2.50 Stars (Regular Strike) 

7. 1836 $1 J-60 Original, Medal Alignment (Proof) 

6. 1839 $1 Original (Proof) 

5. 1866 $1 No Motto, CAM (Proof) 

4. 1863 $1 (Proof) 

3. 1849 $1 (Proof) 

2. 1848 $1 (Proof) 

1. 1845 $1 (Proof)