Cabbie Mohammed Nisar discovered the forgotten holdall after dropping off a customer at a car auction.
But it was only when the customer returned to the taxi rank half an hour later that it was revealed the man bag was stuffed with wads of cash!
Mo, who works in Walsall, the West Midlands, was quoted in The Sun explaining: "The man nearly had a heart attack."
The 55-year-old dad-of-three added: "He was very thankful as he'd bought a car but forgot the money."
Kind-hearted Mo didn't get a reward for looking after the dosh, but said: "Honesty is the best policy."
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