The rare €5 banknotes that are worth a fortune due to small unique features - Irish Mirror Online

According to online collectors, some notes are in great demand and are worth many times their face value.

Mystery Irish woman gives £50k fiver to charity - BBC News

Euro note collector's edition: Exploring Rare and Valuable Euro Banknotes - FasterCapital

Estimate, collect, buy and sell your euro notes - eNotesPrice

The most valuable scientific documents of all-time: top 10

Fifth £5 note worth £50,000 and featuring Jane Austen portrait enters circulation - Mirror Online

The collectable you are looking for is on Delcampe

Ireland's top two billionaires have more wealth than bottom half of population, report says

Rare Bank Notes - Ireland

Euro note collector's edition: Exploring Rare and Valuable Euro Banknotes - FasterCapital

Rare Bank Notes - Ireland

The bISME by Irish Small And Medium Enterprises Association - Issuu

Money Talk: 'I found £20 in the street, would it be wrong to keep it?' - Mirror Online

Rare Euro coins that are worth thousands - check if you have one in your change jar - Irish Mirror Online