Ungraded vs PSA 10 Muk [Blue Back] #89: price difference
Muk [Blue Back] #89 value — Ungraded $10 vs PSA 10 $318. PSA 10 sells for 31.8× Ungraded (+3080%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 31.8× (+3080%) the Ungraded price — a $308 difference per card.
PSA 10 sells for 6.49× (+549%) the Grade 9 price — a $269 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Muk [Blue Back] #89, the jump from Ungraded to PSA 10 is worth $308 (31.8×) — 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).