Zombie head
Incomplete gold 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 gold idol (with the head, body and arms) is created by combining a gold idol head, gold idol body and gold idol arms. It provides experience in the Agility, Crafting, Fletching, Ranged, and Smithing skills.