Secondary burial jars found in Manunggul Cave, Lipuun point, Palawan in early 1960's. Manunggul Jar or Burial Jar perceived as a work cultural treasures. It is perceived as a work of craftsman, a master potter. The image on top of the jar cover is a boat with two human figures representing two souls on a voyage to the after life. It clearly show the belief of Filipino people in life after death.