Jack Sikma Autographed 1978-79 Seattle Supersonics NBA Champions Logo Basketball MCS Holo Stock #256740

Autographed and signed memorabilia: Collector-Grade Jack Sikma 1978-79 Seattle SuperSonics NBA Champions Logo Basketball, verified authentic by Mill Creek Sports (MCS). A 7-time NBA All-Star who anchored Seattle’s frontcourt, Sikma helped deliver the franchise’s lone NBA title in 1979. He was inducted into the Naismith Memorial Basketball Hall of Fame in 2019, cementing his legacy among the game’s elite centers.

Collector's Highlights:

• Athlete: Jack Sikma
• Item: 1978-79 Seattle SuperSonics NBA Champions Logo Basketball, hand-signed (Stock #256740)
• Authentication: Mill Creek Sports witnessed signature with MCS serial-numbered hologram and matching COA

This piece was signed in the presence of a Mill Creek Sports representative, and its MCS hologram plus matching certificate of authenticity provide verified provenance that supports long-term collectible value. A premium addition for NBA and Seattle SuperSonics collectors, it honors Sikma’s championship legacy with confidence-inspiring, third-party witnessed authentication.