2005 "Lewis at the Great Falls" Unnumbered Patch Set.  This set of patches commemorates the 200th anniversary of Lewis & Clark's expedition into the great Northwest.  This limited edition patch set was released in 2005 and features Lewis discovering the Great Falls at present-day Great Falls, Montana.  A total of 1,000 patch sets were released in this collection.  Painting by Montana artist Charlie Fritz.  (Pictured set is numbered.  This auction is not numbered and no numbered sets are available through the Montana Council.)