1978 SONICS Jack Sikma signed Sports Illustrated Magazine JSA AUTO Seattle HOF

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Paul Westphal Seattle Supersonics SIGNED AUTOGRAPHED Sports Illustrated SI COA

Collectors in Sport, PDF, Boston Red Sox

Jack Sikma Basketball Trading Card Database

John Shumate Autographed Sports Illustrated Magazine Notre Dame

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Vanishing Seattle - #TBT: Congrats to former SuperSonics center

Jack Sikma Autographed Memorabilia

Jack Sikma Signed Autographed 8X10 Photo Seattle Supersonics JSA

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