• Major Combat Healing Potion
• Item Level 70Disenchants into:
  Not disenchantable
• Binds when picked up
• Unique (10)
• Requires Level 61
• Use: Restores 1050 to 1750 health.
• Cooldown: 1 min (Out of Combat)
• Vendor 200

Source

This item is a PvP reward, and can be purchased for 200 from:

• Brave Stonehide <Officer Accessories Quartermaster> in Hall of Legends
• Master Sergeant Biggins <Officer Accessories Quartermaster> in Champions' Hall

Patches and hotfixes

• Patch 3.3.3 (2010-03-23): Items which previously required Marks of Honor will have their costs adjusted to remove these requirements. 
  
• Patch 1.7.0 (13-Sep-2005): Added 
  

External links

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