Related Clues:

• Checkout clerk's question
• Means of payment
• Redeem, with “in”
• Country singer Johnny
• Simple form of payment
• Method of payment
• 'I Walk the Line' singer
• It's cold and hard
• Nickel and dime
• Legal tender
• He walked ''the line''
• Portfolio part
• Sign at an A.T.M.
• Bills, e.g.
• Word with crop or cow