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1977-78 Seattle Supersonics Autographed Penn Basketball With 10 Signatures Including Dennis Johnson Beckett BAS #AE08386

$479

⭑⭑⭑⭑⭑ 4.8/5 Stars from Real Collectors

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All signatures sold on Pristine Marketplace are 100% guaranteed authentic, offering buyers complete confidence in every purchase.

Each autographed item undergoes rigorous verification through trusted authentication providers—including Beckett Authentication Services (BAS), James Spence Authentication (JSA), Fanatics Authentic, or Pristine Auction’s own in-house standard, Pristine Authentic.

This unwavering commitment to authenticity protects collectors and fans alike, making every signed piece not just a display item, but a trusted investment.

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Own a piece of basketball history with this Penn Official Basketball hand-signed by 10 members of the legendary 1977-78 Seattle SuperSonics team. This rare collectible features the autographs of key players from the squad that paved the way for the franchise’s first NBA Finals appearance in 1978.

  • Authentic Signatures: Includes Dennis Johnson, Jack Sikma, Al Fleming, Fred Brown, Paul Silas, Bruce Seals, Marvin Webster, Joe Hassett, John Johnson, and one other player.
  • Historic Team: The 1977-78 Seattle SuperSonics made an unforgettable playoff run, setting the stage for their 1979 NBA Championship.
  • Certified Authentic: This basketball has been authenticated by Beckett Authentication Services (BAS) and includes their tamper-proof sticker and a full-page certificate of authenticity for complete peace of mind.
  • Perfect for Collectors: A must-have for NBA fans, SuperSonics memorabilia collectors, and basketball history enthusiasts.

Capture the legacy of the Seattle SuperSonics with this unique, authenticated team-signed basketball. Secure yours today before it's gone!