Can anyone name this ?

[Royston]

Greetings,
As this is my first thread, please accept my appologies for any mistakes in protocol.

I have owned this for some time, it came from an Antiques dealer in Bristol.
My leanings are towards Indonesian or perhaps Phillipines ( judging by the Scabbard ) but I cannot find it in any of my books.

Overall length is 11" with a 6 1/2" blade. Hilt is bone and horn. The scabbard is rattan bound wood.

Any suggestions would be most welcome.

Thanks
Royston