Heirlooms are gold.
The Frostmourne is one,
Off topic...
Stats for the Frostmourne...
Soulbound
Unique
Two-hand Sword
597-896 Damage Speed 4.00
(186.6 damage per second)
+100 Strength
+100 Stamina
+150 Intellect
Requires Level 80
EQUIP: The wielder of Frostmourne will become the new Linch King.
"Hail to the king, baby!"