Cleveland Cavaliers Launch Collectibles Memorabilia Auction

Fans can bid on game-used items authenticated by The Realest collectibles company.

Mar. 30, 2026 at 2:35pm

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An abstract, expressionist painting in vibrant neon colors, capturing the energy and movement of a professional basketball game with players' figures and the court dissolving into colorful brushstrokes.The Cavaliers' collectibles auction allows fans to own a piece of the team's history and support a worthy cause.Cleveland Today

The Cleveland Cavaliers have launched their first collectibles and memorabilia auction in partnership with The Realest, a memorabilia authentication company. Fans can view and bid on a variety of game-used items, including jerseys, warm-up shirts, basketballs, and even courtside accessories. The auction will feature highlights such as James Harden's first home game jersey, a bottle of grip powder potentially used by LeBron James, and memorabilia from the Cavaliers' annual Bow Tie Game honoring the late Nick Gilbert.

Why it matters

This auction provides Cavaliers fans a unique opportunity to own a piece of the team's history, while also supporting the NFX nonprofit organization founded by the Gilberts. The partnership with The Realest ensures the authenticity of the items, adding value and appeal for collectors.

The details

The Cavaliers are offering a wide range of game-used memorabilia through the auction, including jerseys, warm-up shirts, basketballs, and even courtside accessories like a bottle of grip powder. Some of the highlighted items include James Harden's first home game jersey, a bottle of grip powder potentially used by LeBron James in his final regular-season game in Cleveland, and memorabilia from the Cavaliers' annual Bow Tie Game honoring the late Nick Gilbert, with proceeds going to the NFX nonprofit organization.

  • The auction launched on March 30, 2026.
  • The Cavaliers will continue collecting memorabilia throughout the remainder of the regular season and into the postseason.

The players

James Harden

A professional basketball player who plays for the Cleveland Cavaliers.

LeBron James

A professional basketball player who previously played for the Cleveland Cavaliers.

Donovan Mitchell

A professional basketball player who plays for the Cleveland Cavaliers.

Evan Mobley

A professional basketball player who plays for the Cleveland Cavaliers.

Dan Gilbert

The chairman of the Cleveland Cavaliers and the co-founder of the NFX nonprofit organization.

Jennifer Gilbert

The co-founder of the NFX nonprofit organization.

Nick Gilbert

The son of Dan Gilbert and Jennifer Gilbert, who passed away in 2023 from complications related to neurofibromatosis type 1 (NF1).

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What they’re saying

“This auction provides Cavaliers fans a unique opportunity to own a piece of the team's history, while also supporting the NFX nonprofit organization founded by the Gilberts.”

— Marc Bona, Author

What’s next

The Cavaliers will continue collecting memorabilia throughout the remainder of the regular season and into the postseason, with additional auction drops planned.

The takeaway

The Cavaliers' collectibles auction not only allows fans to own a piece of the team's history, but also supports the important work of the NFX nonprofit organization founded by the Gilberts. This partnership with The Realest ensures the authenticity of the items, adding value and appeal for collectors.