Jimmy Greaves 1966 World Cup winner's medal is valued at £30,000-50,000 ($47,586-79,310) ahead of a sale at Graham Budd Auctions on November 10-11.
Greaves was not presented with a medal in 1966, as he didn't play in the final - although he was in the squad. He was awarded one in 2009 after a change in FIFA's regulations.
The auction house explained: "In November 2007 FIFA President Sepp Blatter announced that world soccer's governing body would award medals to those players who were part of a winning squad but did not play in the decisive match of tournaments between 1930 and 1974.
"Jimmy Greaves was one of 122 former players eligible to receive a World Cup winning medal after missing out on playing in the final tie in 1966. Coaching staff would also qualify for a medal."
Medals from the 1966 final are highly sought after in the UK due to the games' hallowed place in the annals of British football.
Midfielder Alan Ball sold his for £164,800 ($303,067) at Christie's London back in 2005.
A medal awarded to left back Ray Wilson, who did play in the final, will also feature in the sale with an estimate of £100,000-120,000 ($160,491-192,589).
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