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.

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Seven tiny things to look for on Euro coins that mean they're worth a small fortune - Irish Mirror Online

Irish Banknote Guide: Five Pounds (Gibbons & Williams' Bank) 1833 The Old Currency Exchange is a specialist dealer and valuer of Irish & GB coins, tokens and banknotes

The 2021 New York Watch Auction by PHILLIPS - Issuu

GRP Catalogue Ireland 1117 by Bradford Exchange - Issuu

Everyone saying same thing as collector shows off old Irish banknotes & ' rare' one could earn you hundreds

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Exploring Northern Irish Pound Banknotes: Distinct Currency Designs - Foreign Currency

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

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

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

This 5 Euro banknote is worth a lot, see if you have it in your pocket - Bota

Exploring Northern Irish Pound Banknotes: Distinct Currency Designs - Foreign Currency

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