Police have warned members of the public to examine their cash after fake £20 notes were circulated.
Officers say they have received reports of counterfeit Scottish £20 notes being used in the Swaffham area.
All the relevant notes appear to have the same two serial numbers of NQ292541 and KU333608.
A tweet posted by Breckland police read: "Currently we have only had reports in the Swaffham area, but please examine your cash carefully.
"If someone tries to offer you any fake notes, or you know any information about those involved in the circulation of counterfeit money, please contact Norfolk police."
Anyone with relevant information is encouraged to call police on 101 or contact Crimestoppers anonymously be calling 0800 555111.
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