In a Mrs. Vanna Ghiringhelli's article published some years ago on Arts of Asia magazine (tittle: keris hilt material) there is a hilt very very similar to this .
Prof. Ghiringhelli said this is a Cirebon hilt but ....i'm
IMO this hilt COULD be comes from Sumbawa.
Please, there is some kerisforum member that could help me to give news about the origin?
Thanks