Ungraded vs PSA 10 Vinnie Johnson #89 1990 Skybox Basketball: price difference
Vinnie Johnson #89 1990 Skybox Basketball value — Ungraded $1 vs PSA 10 $41. PSA 10 sells for 41× Ungraded (+4000%). Prices updated June 2026.
Medians of real sold listings per grade, updated June 2026 — how we compute values.
PSA 10 sells for 41× (+4000%) the Ungraded price — a $40 difference per card.
Grade 9 sells for 7× (+600%) the Ungraded price — a $6 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Vinnie Johnson #89 1990 Skybox Basketball, the jump from Ungraded to PSA 10 is worth $40 (41×) — 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).