18th century, or older, kalis seko from the Sulu Sultanate. 5 waved blade has arrow-head style chiseling near guard. Nicely carved cockatua of Bunti wood. Fiber wrapped hilt, fittings appear to be silver.
Dimensions
Overall length: 22.5"
Blade length: 16.5"
Hilt length: 6"

Collection Credit: Rick Stroud