Luzon bolo (itak?) for comment

[Sajen]

Have some time ago acquired this Luzon bolo, I think it's a Tagalog itak, very thick blade (12 mm near the handle), kamagong handle and nice file work at the ricasso. Sword is 61 cm long and think that it is from the second half of 19th century. Two pictures show it side by side with an other itak from my collection for comparison.
Your comments are very welcome!