Related Clues:

• Country singer Johnny
• Simple form of payment
• Chart items
• Method of payment
• Half of a batting average calculation
• 'I Walk the Line' singer
• Best sellers
• It's cold and hard
• Battleships player's goal
• Top Ten records
• Legal tender
• He walked ''the line''
• Portfolio part
• Sign at an A.T.M.
• Bills, e.g.