Ungraded vs PSA 10 Sammy Sosa #489 1990 Donruss Baseball: price difference
Sammy Sosa #489 1990 Donruss Baseball value — Ungraded $2 vs PSA 10 $43. PSA 10 sells for 21.5× Ungraded (+2050%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 21.5× (+2050%) the Ungraded price — a $41 difference per card.
PSA 10 sells for 4.78× (+378%) the Grade 9 price — a $34 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Sammy Sosa #489 1990 Donruss Baseball, the jump from Ungraded to PSA 10 is worth $41 (21.5×) — 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).