Ungraded vs PSA 10 Fantastic Four #137 1990 Universe Marvel: price difference
Fantastic Four #137 1990 Universe Marvel value — Ungraded $2 vs PSA 10 $104. PSA 10 sells for 52× Ungraded (+5100%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 52× (+5100%) the Ungraded price — a $102 difference per card.
Grade 9 sells for 8.5× (+750%) the Ungraded price — a $15 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Fantastic Four #137 1990 Universe Marvel, the jump from Ungraded to PSA 10 is worth $102 (52×) — 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).