This article, Rainbow partyhat (Da bomba3), is the creative property of Da_bomba3.

Rainbow partyhat
Rainbow party hat
Members No
Quest item No
Tradeable Yes
Lendable? No
Equipable Yes
Stackable No
High alch 1 coin
Low alch 1 coin
Destroy Drop
On death Unknown edit
Store price 1 coin
Exchange price 100,000,000,000,000 coins
Examine A nice hat from a cracker.
Weight 0.056 kg

The Rainbow partyhat is the single most expensive item in RuneScape mainly due to the fact that only three exist! This came out 2007 for the December event.