Wow thats awesome!
Bicol is an interesting region. It is considered a part of the Luzon region(aka Region V), considering the main part of Bicol is still land locked to Luzon...but the Bicol island province of Masbate is considered a part of the Visayan region. The main part of Bicol is not. They are in a way half and half. The main dialect spoken is Bicol, but in the North they can speak Tagalog(Camarines Norte and Camarines Sur), and in the south they can speak Cebuano/Visayan...as well as a mix dialect of Visayan and Bikol which they call "Bisakol". The Bikolanos are considered their own ethnic group, but even from the different and mixed dialects, you can see the impact the Tagalogs and Visayans have to Bicol. And more likely their culture as well. I've noticed the blades there seem to look more closely related to the Visayan region, but I haven't seen any Bicol blades that have a chiseled edge.
Just my observation.
