(NEWSER– A UK man out for a walk with his dog made a pretty crazy find last month: $100,000 in cash floating down England's Spalding River.

The apparently very honest man informed police, and they're trying to find the rightful owner, Sky News reports. A forensic investigation is underway, and the Bank of England will help. 

Some of the bank notes were damaged from being immersed in water, but a lot of them are still in good shape, officers say.

What if the owner is never located? The cash will become "the subject of a court forfeiture order," though it's not clear what that means.

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