1: Discover the hidden value of these unique coins.

2: The 1943 copper penny worth thousands.

3: The rare 1944 steel penny to look out for.

4: The mysterious 1943 silver penny.

5: The valuable 1870 Indian Head cent.

6: The elusive 1922 plain penny.

7: The valuable 1913 liberty nickel.

8: The rare 1955 double die penny.

9: The valuable 2004 Wisconsin quarter error.