Possible Clues:

• Monopoly card
• 'Monopoly' card
• Monopoly card with property info (... letters 1-2 + 6-7)
• Legal proof that you're the champion?
• The right document to be landed with
• Document establishing legal right to property
• Document proving ownership? Criminal deleted it
• Document needed for call to action
• Deleted it by mistake in an important document
• Water traded by Italian recalled, lacking a proper document