What is the value of an 1851 US Large Cent?

A 1851 Liberty cent piece can sell anywere from $15.00 up to $100.00 depending on the condition the coin is in. However... If you should have one of the more rare pieces, In which there's a shadow of an "8" Under the "5" in the year stamp "1851." Then the coin would be double its value.
It retails anywhere from 14 to 50 dollars depending on condition.