Police in Foyle are advising business owners in that counterfeit Euro notes are in circulation.
Mandy Monteith, the Crime Prevention Officer, said the Euro 20 notes in question are of a high quality. Staff should check all notes under UV light or use a money pen checker. The serial number for these notes is T5550192929854.
If anyone identifies suspected counterfeit currency, contact police immediately on the non-emergency number 101 and retain the suspected note.