Very nice Kris, the silver and the (ebony?) pommel match perfectly 
 
Howland published an article about the philippine insurrection. If you can find a copy this would make a nice addition to the kris.
Howland, Charles R.  "The Philippine Insurrection of 1899:  A Study." Infantry Journal XXX (Apr 1927):  pp. 395-406.  Per.
Best Regards,
Thilo