Over 300,000 cigarettes and about 10kgs of tobacco was discovered today during a customs operation in Co Cork.
The items, which have an estimated retail value of €130,000 were seized during a search of three houses in the north side of Cork city earlier today.
A commercial vehicle and saloon car were also seized during the operation.
Revenue officials estimate the loss to the exchequer from the cigarettes and tobacco would have been about €100,000.
Investigations are ongoing.