A winning lottery ticket purchased on the New South Wales mid-north coast is yet to be claimed, with one resident or visitor set to receive more than $2.5 million.
The mystery winner was not registered to a player card, meaning lottery officials can't inform the winner that they've won.
The mystery winner bought their ticket at Nambucca Heads Newsagency and took home a total prize of $2,582,582.68.
Stephen Kimber, whose newsagency sold the winning ticket, said he hopes the ticket holder checks their ticket and comes forward to claim it soon.
"My wife and I couldn't be more excited for our little town of Nambucca to score such a massive win," Kimber said.
"We will continue to share this excitement in our store with balloons and signage for the coming weeks.
"We really hope our mystery winner checks their ticket soon and we wish them well as they enjoy their prize."
Winner of $750k jackpot bought a single $1 ticket
The unclaimed winning ticket was bought at Nambucca Heads Newsagency, 26 Bowra Street, Nambucca Heads.
The winning numbers were 38, 22, 35, 8, 36 and 10, with supplementary numbers of 11 and 23.
"Our elusive winner is likely oblivious to the fact they've won $2.58 million in the weekend's Saturday Lotto draw," The Lott spokesperson Khat McIntyre said.
"We're encouraging anyone who purchased a Saturday Lotto ticket from Nambucca Heads Newsagency to check their tickets immediately!"
You can get immediate assistance by calling the National Gambling Helpline on 1800 858 858 for free, professional and confidential support 24 hours a day, 7 days a week.