19th Century Sumatran / Malay Bugis Keris with Silver Sheath (sold)

What appears to be silver work to the sheath and cup, a small 19th Century Sumatran or Malay bugis keris in good condition.

Clearly very old 8 1/2 inch blade firm in the hilt. The metalwork to the sheath and hilt cup appears to be solid silver. Price is £150. Item reference number: A78(669).