Leprechaun hat

The RuneScape Wiki also has an article on: rsw:Leprechaun hat

Leprechaun hat
Released							12 June 2014 (Update)
Members							Yes
Quest item							No
Properties
Tradeable							Yes
Equipable							Yes
Stackable							No
Noteable							Yes
Destroy							Drop
Examine							Top o' the morning!
Values
Value							1,000 coins
High alch							600 coins
Low alch							400 coins
Weight							2.267 kg
Grand Exchange
Exchange							3,846 coins (info)
Buy limit							4
Daily volume							143
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Advanced data
Item ID							12359
Twisted League							Yes

The leprechaun hat is a rare reward from medium Treasure Trails. It provides no stat bonuses and is purely cosmetic.

Attack bonuses										A player wearing a leprechaun hat
+0		+0		+0		+0		+0
Defence bonuses
+0		+0		+0		+0		+0
Other bonuses								Slot
+0		+0		+0%		+0		List

Item sources

For an exhaustive list of all known sources for this item, see here (include RDT).

Source	Level	Quantity	Rarity
Reward casket (medium)	N/A	1	1/1,133