How much is a United States Mint presidential coin proof worth?
A United States Mint presidential coin proof set for 2009, containing four one-dollar coins (William Henry Harrison, John Tyler, James K. Polk and Zachary Taylor), is available for $14.95 on the U.S. Mint website. It’s the third annual release; previous sets typically sell for around $30 at brick-and-mortar as well as online coin shops.Source:U.S.