Related Clues:

• Item well worth having
• "But wait, there's more!"
• "Black" item
• Bond, say
• Advantage point in a number of games
• Opposite of liability
• Grade qualifier
• It may be liquid or frozen
• Item on a black list?
• Positive — addition
• Black ink entry
• Valuable holding
• Liability counterpart
• … returns old savings account for something useful
• It¿s a blessing Tessa turns up