Ok, disregard the 'priest-like' comment.. the breasts looks more woman-like..
Looking in Bambang Harsrinuksmo's 'Ensiklopedi Keris', pg 500.. there are 2 examples of ancestor hilts from Nusa Tenggara Timur.. in a different pose, but worksmanship of similar type.. which indicate that besides Sumatra, these type of hilts, do exist elsewhere in the Indonesian Archipelago.