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

The mallet token is a reward available from the Spring Fayre. It can be purchased from Rixie for 900 Fayre prize tickets. Activating it unlocks the Fayre Mallet override and consumes the token.