Each box set contains two rolls of 2005 Westward Journey Bison Jefferson Nickels, one from the Philadelphia mint and the other from the Denver mint. Your lot will be selected at random. The 2005 Westward Journey Bison Jefferson Nickel is known to have a number of errors that raise the value of individual coins. For more on that check out YouTube video LQLYTEEL8xU or search the web for phrases like "2005 Buffalo Nickel Value Guides".