Related Clues:

• US singer-songwriter's notes, perhaps?
• The man in black
• The "Man in Black"
• Scalper need
• Money belt filler
• "Cold, hard" money
• It may be 'on the barrelhead'
• Notes from the banks came out in the wash
• Maybe 14 6 starts to crow after successful hijacking
• Johnny, "the Man in Black"
• The ready?
• 22's equivalent -- about 15
• Federal Reserve Notes
• Green paper that you pay with [E]
• Johnny who always wore black