Jean-Marc Leynet

Specialized Expert in Sports Art and Collectibles




Sports specialist for more than 30 years

  • Auction expert
  • Expert for insurance, sharing and inheritance
  • Collection inventory for auction
  • Advice for negotiations
  • Consultant for institutions
  • Issuance of certificates of authenticity
  • Catering and over-the-counter sales
  • Expert working for

To appraise and estimate,
such is the double mission of the expert

He provides you with a guarantee on the authenticity of your collector's item through his expertise based on meticulous research work and his knowledge of the sports collection market, in this field he is a specialist in determining the nature, origin and time of manufacture of the art item or collection in order to authenticate it. It can also detect the transformations, restorations, alterations and repairs of your items and indicate an average estimated range in negotiation value.

Recognized by many prestigious auction houses such as Coutau Begarie, Millon, Art-Valorem, Lynda Trouvé, Briscadieu etc… Jean-Marc Leynet is also a consultant for the Musée du Basket, the french tennis and football federations and the Nicollin Museum.

We are at your disposal to assist you in setting up an auction of your sports collectibles.

Expertise and authentication are free for all objects entrusted to us for auctions.

Certificates of authenticity are available free of charge on request for lots purchased at auction.

If football clearly occupies the largest market share with the countless sales of shirts worn during matches by professional players, all sports are concerned.

Cycling, Olympism, rugby, basketball and many other sports are often represented in the auction room.

There are also many collectibles related to planetary events such as the Football World Cup, the Olympic Games or Le Tour de France.

  • All sports equipment that has been used in official competitions:
    Worn and/or signed jerseys, shorts, balls, tracksuits, jackets, overalls, shoes, gloves, rackets and any old items for the practicing sport in competition.

  • All official awards such as trophies, medals, diplomas, etc.

  • Items with a heritage and historical dimension such as Olympic torches, official or brand posters, winners' medals, etc.

  • Thematic collectibles such as Panini albums, mascots, match tickets, programs, etc.

Press Review

Portraits of the expert, reports on the latest auctions and highlighting of the market for sports collectables, find all the press articles concerning Jean-Marc Leynet and his field of expertise.


Find collectible sports items that have Jean-Marc Leynet's appraisal and valuation and their results in the auction room.

* Selling prices are announced excluding costs.

Drouot Auction House, (Paris), on october 13th, 2018

Sports Collectibles Expertise Benchmark

To better understand the functioning and challenges of the sports collectibles market as well as the role of the expert, Jean-Marc Leynet works on several french medias such as After Foot on RMC or on Youtube with sports enthusiasts!

You wish to obtain information?

Contact us