10 rarest and most valuable coins in the world (With Pictures)

9. 1907 Saint-Gaudens double eagle Ultra High Relief

This coin was released in with face value of $20 in 1907. The coin was designed by renowned sculptor Augustus Saint-Gaudens. Its high relief rendered the coins difficult to be struck, and only about two dozen pieces were produced. SEE ALSO: The 10 youngest and most powerful women in the world (+Photos)

These are known as ‘Ultra High Relief’ specimens now. Later the design was modified many times and the coin continued till 1933. Two specimens of the 1907 coin are housed in the Smithsonian museum. One specimen was sold at an auction in 2005 for nearly $3 million.