Fears have been raised that three stolen taxi roof signs could be used to dupe people into using bogus vehicles.
They were taken from vehicles belonging to three different taxi firms in the Suffield Park area of Cromer within a 200-yard area over two days.
The first was taken from Premier Cars on Sunday night, July 22, in York Road, then from Coast to Coast Taxis in Rosebery Road and Bernie's Taxis in Cliff Road, both on Monday night.
Each sign costs about £100 and Bill Parker, owner of Bernie's Taxis, said: 'A taxi driver should have a photo licence with them at all times and a North Norfolk District Council (NNDC) licence plate should be displayed both in the car and attached to the rear of the taxi.'
Norfolk police said further enquiries were being made.
Anyone with information about the Bernie's theft should call Pc Michael Johnston quoting the crime reference number 36/45182/18.
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