• Emerald Encrusted Chest
• Item Level 55Disenchants into:
  Not disenchantable
• Binds when picked up
• <Right Click to Open>

Source

This item is a quest reward from the following quests:

•  [55] To Serve Kum'isha^ω τ ϖ
•  [55] Kum'isha's Endeavors^ω τ ϖ

It will contain a rare or, if you are very lucky, an epic, item.

External links

• Battle.net (EU)
• Wowhead
• Thottbot
• WoWDB