According to press reports, Superquinn believes the gesture could tap some of the £280m worth of punts estimated to be still in circulation by Ireland’s Central Bank, following last year’s changeover to the euro.
Superquinn deputy chairman Eamonn Quinn said: “Practically every day a number of customers ask if they can use Irish money to pay for their shopping.
“It’s clear that most people still have small amounts of money lying around and have not found it convenient to exchange it, or have forgotten to do so.
“We advise people to turn over their couches, rattle the jam jars, search their pockets and empty the piggy banks. Bring the money to us and we will take care of the rest.”