• Charstone Dirk
• Item Level 54Disenchants into:
  [Small Brilliant Shard]: 1
• Binds when picked up
  
• Dagger
• Main Hand
  
• Speed 1.60
• 40 - 75 Damage
• (35.9 damage per second)
• +11 Intellect
• Durability 65 / 65
• Requires Level 48
• Equip: Restores 2 mana per 5 sec.
• 
• Sell Price: 3 54 83

Source

This item drops from Princess Theradras, final boss of Maraudon.

Patches and hotfixes

Patch 1.2.0 (18-Dec-2004): Added 

External links

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