Ungraded vs PSA 10 Space Center #91: price difference
Space Center #91 value — Ungraded $4 vs PSA 10 $642. PSA 10 sells for 160.5× Ungraded (+15950%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 160.5× (+15950%) the Ungraded price — a $638 difference per card.
PSA 10 sells for 18.88× (+1788%) the Grade 9 price — a $608 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Space Center #91, the jump from Ungraded to PSA 10 is worth $638 (160.5×) — 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).