So what is to keep them from counterfeiting the old design, still good aren't they?
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Yeah... The evil doers will continue counterfeiting the old bill. The only benefit of
each new change is that the really bad guys will ask for new money for their
drugs, guns, people, etc. That will slow down, and perhaps even stop, some of the
larger transactions...for a time...
I often wonder why no one in government has recommended changing our currency
as we did with MPC??
Set a date that old currency is void, and only the new design acceptable!