Lottery officers The Lott stated the unregistered ticket was purchased within the Metropolis of Casey, in Melbourne's south-east.
The profitable numbers in Oz Lotto draw 1494 on Tuesday, October 4 had been 37, 42, 47, 39, 5, 17 and 20, whereas the supplementary numbers had been 29, 22 and 38.
The Lott spokesperson Anna Hobdell stated somebody's life had utterly modified and they may not but even realise it.
"Think about going to mattress tonight not figuring out you have simply received $50 million in Oz Lotto. That is the fact for one thriller Victorian after scoring division one in tonight's Oz Lotto draw," she stated.
"Whereas we have been unable to verify the division one win with tonight's winner, we will assure that once they verify their ticket and uncover their information, they will be leaping for pleasure."
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She stated it was Victoria's largest Oz Lotto victory this 12 months and the fourth largest winner throughout all lottery video games.
On prime of the jackpot, greater than $18 million was received in divisions two to seven tonight. That features 14 division two winners who every took house a $47,858.55 prize.
Greater than $225 million has been given away to 13 division one winners of Oz Lotto this 12 months.