Revenue officers have seized approximately 584,000 unstamped cigarettes in Dublin Port.
The cigarettes were discovered with the assistance of the Revenue x-ray scanner when officers stopped and searched a shipment originating from China as it arrived in Dublin Port from Rotterdam.
The illegal cigarettes, branded Marlboro Gold and MB Blue, have a retail value of over €292,000 and represent a potential loss to the Exchequer of approximately €274,000.
The cigarettes were found in a shipment that was described as 'tea tables'.
Investigations are ongoing.