A lucky punter won a €2.9m jackpot on November 29 last, but the prize has so far not been collected. The winner purchased a €3 Quick Pick in the Claremorris branch of Tesco, in Co. Mayo.
The money will return to the National Lottery by Friday week if nobody comes forward to claim it.
The winning numbers were 7, 8, 18, 28, 35 and 39, and the bonus number was 37.
So if you were in Claremorris around November and bought a lotto ticket, check it. It could be you!