The Central Bank says new €5 notes will enter circulation here on Thursday.
The new 'Europa series' of banknotes will be phased in over a number of years starting with the 5 euro note.
The new note is the same size and looks like the existing note but it also includes a number of new security features.
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The watermark on the new note
These include a portrait watermark of the Greek goddess Europa, raised lines along the sides of the note, a shiny emerald-colour number and a portrait hologram of Europa.
The new note will circulate alongside the existing note which will remain legal tender.
This video from the European Central Bank (ECB) outlines the improved security features on the note:
