COMMUNITY ALERT: HAVE YOU BEEN GIVEN FAKE €20 NOTES? written by John2 December 3, 2014 CRIMINALS have flooded Donegal and Derry with fake €20 notes. They are very well produced and look exactly like the real thing.However the notes all have the bogus serial number T5550192929854.Anyone who has one of the notes should contact the Gardai or the PSNI at their nearest station.Tags:crime alertDerrydonegalfake notes€20