According to online collectors, some notes are in great demand and are worth many times their face value.
Estimate, collect, buy and sell your euro notes - eNotesPrice
Rare Banknotes - Ireland
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The world's most valuable rare notes
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The rare €5 banknotes that are worth a fortune due to small unique features - Irish Mirror Online
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The world's most valuable rare notes
Shopper given 'fake' £5 warns others to be careful - but could you tell it's not real? - Mirror Online
Estimate, collect, buy and sell your euro notes - eNotesPrice
Everyone saying same thing as collector shows off old Irish banknotes & ' rare' one could earn you hundreds
RARE 50 EURO BANKNOTES. FOUND RARE NUMBERS!Counting Stack of 50 EURO