The Redfield Dollars

What is the Redfield dollars, are they something like George Washington or is this a person who had a lot of dollars and were later found by someone in the later years. There is this web site listed below that has all kinds of information on this Redfield Dollar and what it is all about. How they found him and all his money, why he did not trust anyone. So make sure you check out this site it is very interesting and it also has a lot of information on other coins and whats happening with them so check it out.