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MONROE, Wash. — Somebody donated a lot more than they intended to at a Goodwill store in Washington state last week.

Goodwill employees in Monroe got a surprise when they opened a donated cooler and found marijuana.

“(The) employees were surprised when they opened the lid,” the Monroe Police Department said in a tweet.

Police said the cooler contained 3.75 pounds of pot, with an estimated street value of $24,000.

Police said Goodwill was examining its surveillance video to see if it can find an image of the person who might have dropped off the cooler at the store.