Gardai found suspected cloned credit cards and stolen Irish and UK passports in a house raid on Tuesday.
Officers also seized two cars bought on bank accounts set up using false names.
Three Romanian men aged 31, 24 and 25 were arrested by gardai carrying out the search of a property in Letterkenny, Co Donegal.
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The bust comes as part of an investigation into a Romanian organised crime group, and the three men are currently being held at Letterkenny and Milford garda stations
A garda spokesperson said: “The search was conducted by members of Garda National Economic Crime Bureau, National Bureau of Criminal Investigations and assisted by local Gardaí from Letterkenny and Milford.
“A large amount of fraud paraphernalia including suspected cloned credit cards, credit cards issued in false names, bank account details, false Romanian identity documents, credit card machines, till rolls and a number of suspected stolen Irish and UK passports and driving licences along with two cars bought on finance obtained on bank accounts opened in false names were discovered at the location and seized.
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“Much of the documentation seized relates to suspected frauds in Northern Ireland.
“Investigation which includes enquires with Europol and the PSNI are ongoing.”
