The National Lottery is seeking a missing Bolton millionaire from the EuroMillions Millionaire Raffle draw on 26th July 2013.
The draw saw 100 lucky players bank £1million in one night.
The ticket, worth £1million, was purchased in Bolton and players are looking for the unique EuroMillions Millionaire Raffle code - CBS004223.
The ticket-holder has until 11pm on Wednesday 22nd January, 2014 to make their claim.
A National Lottery spokesperson said, “Imagine walking round not knowing you are a millionaire. We urge every player to check their tickets as there are life changing prizes waiting to be claimed."
"Check in the bottom of your handbag and in every coat pocket, even have a rummage down the back of your sofa – the ticket could be lurking anywhere."
A £1million EuroMillions prize has still not been claimed months after it was won.
The winning ticket was bought in Wirral for the draw on Friday 27 July - the night of the opening ceremony for the Olympics.
That night's draw included a guaranteed 100 UK millionaires created in the Millionaire Raffle game.
The ticket-holder has until 23 January 2013 to claim their prize.
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A one million pound ticket from the draw on Friday 27th July is still unclaimed, and the search is on the find the owner.
The ticket was bought on the Wirral, and it's one of seven from the same draw that haven't been cashed.
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A couple from Oldham are celebrating a jackpot lottery win after a shop worker admitted attempting to falsely claim their prize.
Newsagent Farrakh Nizzar told great-grandmother Maureen Holt she had won nothing when he scanned her EuroMillions ticket. He then tried to pass it off as his own ticket but was soon caught out.
Amy Welch reports.