Zombie head
Incomplete jade idol (head, body, arms) was removed from RuneScape after an update, but still exists in-game for those who had obtained it.
[FAQ] • [doc]

The Incomplete jade idol (with the head, body and arms) is created by combining a jade idol head, jade idol body and jade idol arms. It provides experience in the Construction, Defence, Herblore, Mining, and Woodcutting skills.