Good Samaritan returns bag with $13,00019:01
But instead of taking the unclaimed cash home, the selfless pair from Tennessee, US, did all they could to find the owner - and when that failed, handed it in to police.
Kristy Allen spotted the blue bag while waiting for her husband Ken in the car outside a grocery store.
Mr Allen, 49, told ABC News: 'I brought it to the car, and when we opened it we saw hundreds of hundred-dollar bills, at which point my wife said, "Lock the door!"'
They called all the numbers they found in a wallet, but to no avail.
Undeterred, they then headed to the the address given on the driver's licence - but no one was home, and neighbours said they had never seen the man in the photo.
They gave up and locked the bag in their safe, then took it to the police the next morning.
The police inventoried the money and found a total of $12,764.73 (£8,190). After checking surveillance video, they determined the bag had sat in front of the convenience store for about 45 minutes before the Allens had noticed it.
Mr Allen, a high school m
The owner of the bag, a 51-year-old man, has since reached out to the couple to thank them.
He was in the hospital after having a bad reaction to medication when he got the news somebody had found the bag.