Bar None Meaning

(idiomatic) Without exception; excluding nothing else of the same kind.

Example: 1913, Zane Grey, Desert Gold, ch. 4,
  Mexican horses are the finest in the world, bar none.
1922, James Joyce, Ulysses, ch. 16,
  . . . Ireland, or something of that sort, which he described in his lengthy dissertation as the richest country bar none on the face of God's earth.