Ungraded vs PSA 10 Bo Kimble #359 1990 Skybox Basketball: price difference
Bo Kimble #359 1990 Skybox Basketball value — Ungraded $2 vs PSA 10 $62. PSA 10 sells for 31× Ungraded (+3000%). Prices updated June 2026.
Medians of real sold listings per grade, updated June 2026 — how we compute values.
PSA 10 sells for 31× (+3000%) the Ungraded price — a $60 difference per card.
Grade 9 sells for 7.5× (+650%) the Ungraded price — a $13 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Bo Kimble #359 1990 Skybox Basketball, the jump from Ungraded to PSA 10 is worth $60 (31×) — if your copy grades at the top, that premium can cover the fee. A grade below the top one changes the math, so run your exact numbers first.
Run the grading break-even math →Values are estimates from real sales data — not appraisals or offers. Some links earn JunkPal a commission at no cost to you (disclosure).