Related Clues:

• Bank contents
• Miser's fixation
• It's exchanged every day
• 'Monopoly' supply
• Legal tender
• Bread or cabbage
• Mint output
• Cash
• Pink Floyd song in 7/4 time
• Cabbage or lettuce
• A slang term for this starts 17- and 60-Across and 11- and 28-Down
• Lettuce or clams
• Exchanged notes?
• Cs and Gs
• Slangy dollars