Are There Hidden Objects in the Dollar Bill

Not many people know the value of a dollar. There are many hidden objects and codes in the dollar bill. People actually sudy this! There is a book on "the secret symbols of the dollar bill" and you can buy it here: http://www.harpercollins.com/books/9780060530457/The_Secret_Symbols_of_the_Dollar_Bill/index.aspx. You can also find more information on hidden objects in the dollar bill. .