Complete P & D 10-Coin Jefferson/Lewis & Clark BU Nickel Set. Five distinct nickel types were issued for the Bicentennial of the Lewis and Clark Expedition. Our set includes the 2004 Peace Medal and Keelboat issues as well as the 2005 American Bison and Ocean in View nickels. And we'll include a 2006 issue featuring the revised frontal Jefferson portrait. Our set includes P & P Brilliant Uncirculated issues.