VVV, your's looks like an 18th Century coteng hilt. But your sheath form is unusual.
Reference:
http://perso.wanadoo.fr/taman.sari/k...ran_pekaka.htm
BSMStar, your's is a coteng...a pretty one.
Some write-up on Tajong and Coteng
http://perso.wanadoo.fr/taman.sari/k...ion/patani.htm
Some other examples...
http://www.kampungnet.com.sg/modules...bum.php&page=9
Hope it helps...