Related Clues:

• Provider of intel, in spy jargon
• Entry in the plus column
• Money or property
• Hound bishop off property
• Anything considered valuable
• Favorable feature
• Advantage of setting out seats
• Area with second class property
• Good point?
• Thing that can be used for collateral
• Thing of worth
• Equally determined to produce benefit
• A keen eye, for a proofreader, say
• Beneficial quality
• Item of value on a spreadsheet