One Canberran is $11 million dollars richer and none the wiser after a mystery lottery win.
An ACT Oz Lotto ticketholder was the sole winner of the division one prize of $11,283,854.81, drawn on Tuesday.
The unregistered entry cannot be contacted by The Lott and has not yet claimed the prize.
The ticket was bought at Charnwood Newsagency, and owner Stephen Dowling wanted to unite the winner with their extraordinary prize.
"We're asking everyone to check their tickets," he told The Lott.
"We will greet our winner with open arms. We really hope they come forward soon."
ACT residents who purchased a ticket in Tuesday's draw have been urged to check their tickets.