To obtain a recording ribbon having good durability of a pattern to be detected without blocking at the time of preserving by accurately sensing a terminating end even by using the ribbon having any color tone recording medium part in the ribbon having a ribbon end mark including a regularly optical pattern for sending the end of the ribbon and coupled to an end of the medium part for forming a character, an image or the like in a thermal printer or the like.

The recording ribbon comprises a ribbon end mark of a film member having a light reflective area and a light absorbing area to become a regularly optical pattern as seen from a side printed with a light absorbing ink 1 by light reflectively treating one side surface of a transparent film and regularly pattern printing its back surface with the ink 1 at an end of a recording medium part 5.