East Rutherford police say anyone turning in money won't be prosecuted but that anyone seen on surveillance video taking money who doesn't turn it in could be arrested.
About $188,000 remained unreturned this week.
More than $500,000 in cash spilled from the Brink's armored truck on Route 3 near MetLIfe Stadium last Thursday.
Police say more than $200,000 was recovered at the scene, partly due to the help of Good Samaritans who stopped and helped the driver.
More than $100,000 has been returned in the days since then, including one person who bought in about $90,000.
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