Blade is single edge 8-3/4” long with a groove in the center and another one on top giving an illusion of 3 grooves. Folded steel blade is visible and is almost 3/8” thick at the base on top. What the ferrule should be is actually part of the blade….forged in one piece. Typical handle is from a water buffalo horn in good shape. Wood scabbard has some intricate fine line designs. Lower section of scabbard has carvings. Bottom part of scabbard is missing.
From Sumatra Indonesia 50-70 years old.