Sport Kings card values

Current market values for graded cards from Sport Kings, by grade, from real comparable sales. Track your whole collection — with a 0–1000 protection score and a broker-ready insurance schedule — free.

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1933 Bobby Jones #38
1933 Joseph Lopchick #32
1933 Duke Kahanamoku #20
1933 Gum Tennis

Values are informational estimates from recent comparable sales — not a certified appraisal, insurance, or financial advice.