We have received reports of counterfeit Scottish and Irish £20 notes being handed over to shops in St Ives and Penzance on Monday 12 June 2017.
The notes were handed over by males aged between 10-17 years.
Please be wary of this and inform staff.
If you have any information please email 101@dc.police.uk, or phone 101 quoting crime CR/046704/17.