sentence: they also collected 797 objects from the area , including vessel of wood , bronze objects , jewelry and coin , and mesolithic stone tool other reported ( 2003 ) finds in the area include additional mummies and burial grounds , ephedra sticks , a string bracelet that holds a hollowed jade stone , a leather pouch , a wool loincloth , a wooden mask painted red and with large nose and teeth , boat - shaped coffin , a bow with arrow , and a straw basket .