Rasdan, thank you very much!
http://artgallery.yale.edu/collections/objects/123754
So now this hilt is attributed to the late 15th cent. So even somebody like John Miksic (?) changes his opinions.
See also the
"Note: This electronic record was created from historic documentation that does not necessarily reflect the Yale University Art Gallery’s complete or current knowledge about the object. Review and updating of such records is ongoing."
There, among other fascinating objects, is also a part of a Gowa/Makassar type Mendak/Selut, which still has the "initial" attribution "1000-1400".
http://artgallery.yale.edu/collections/objects/123749
Maybe the time is close to update also that one?
Nevertheless, I would be very interested in indicators, which make possible the attribution of this very interesting hilt to Majapahit periode.