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

The ivory idol head is a common reward from the Squeal of Fortune. They are part of the Grinning idol promotion. Combined with the body and arms and legs to get experience in the Constitution, Magic, Prayer, Runecrafting, and Summoning skills.