Related Clues:

• Possible binary digits
• Change machine inserts
• Aces, at times
• Georges
• Column in an addition problem
• Rightmost column, perhaps
• Uno, un, eins, etc.
• Smallest greenbacks
• Some greenbacks
• You get five for a fiver
• Wallet stuffers, perhaps
• Bills depicting pyramids
• A good deal of binary code
• Some currency
• ''Annuit coeptis'' appears on them