Many years ago, there was a bit of interest in this instrument in irish traditional music. It is a 12 string, lute-shaped guitar, rather like a bazooki with a short neck. I have a venerable Gracio instrument myself, though I use it to play fadinhos, for which is was originally intended.
I am writing because someone here in Portugal is developing a variation of this instrument, which is similar but tuned an octave lower. This would put it in the same register as the tenor banjo. Could be interesting.
If ther is any interest, I will try to get more information