Grade 9 vs PSA 10 Gregg Olson #46 1989 Donruss Baseball: price difference
Gregg Olson #46 1989 Donruss Baseball value — Grade 9 $13 vs PSA 10 $149. PSA 10 sells for 11.46× Grade 9 (+1046%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
Grade 9 vs PSA 10
$13→$149
PSA 10 sells for 11.46× (+1046%) the Grade 9 price — a $136 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Gregg Olson #46 1989 Donruss Baseball, the jump from Grade 9 to PSA 10 is worth $136 (11.46×) — 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).