Switzerland's Roger Federer hits a forehand to Croatia's Marin Cilic...

Switzerland's Roger Federer hits a forehand to Croatia's Marin Cilic during the men's singles final at the Australian Open tennis championships in Melbourne, Australia, on Jan. 28, 2018. An online auction that starts Wednesday Sept. 20, 2023 is offering a Federer outfit from his winning run at the 2018 Australian Open. That was his 20th and final Grand Slam title. Credit: AP/Dita Alangkara

NEW YORK — Looking for an "inexpensive” way into the lucrative sports memorabilia market? One of Roger Federer's match-worn outfits might be your ticket.

Not just any shirt and shorts, of course. An online auction that starts Wednesday is offering a Federer outfit from his winning run at the 2018 Australian Open. That was his 20th and final Grand Slam title.

The Nike-made outfit is “expected to achieve up to $35,000,” Prestige Memorabilia said. Both items are signed by the Swiss great, who retired one year ago. Bidding closes Oct. 8.

A mint condition Mickey Mantle baseball card sold for $12.6 million in August 2022. That broke a record for the most expensive auctioned piece of sports memorabilia set a few months earlier, when the shirt worn by Diego Maradona when he scored the controversial “Hand of God” goal against England in the 1986 World Cup went for $9.3 million.

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