10 Most Expensive Dollar Coins That Are Surprisingly Valuable 

10. 1798 $2.50 Wide Date (Regular Strike) 

9. 1798 $2.50 Close Date (Regular Strike) 

8. 1862 $1 (Proof) 

7. 1861 $1 (Proof) 

6. 1860 $1 (Proof) 

5. 1877 T$1 (Proof) 

4. 1876 T$1 (Proof) 

3. 1875 T$1 (Proof) 

2. 1874 T$1 (Proof) 

1. 1873 T$1 Trade (Proof)