Ungraded vs Grade 8.0 Green Mansions #90 (1951): price difference
Green Mansions #90 (1951) value — Ungraded $6 vs Grade 8.0 $109. Grade 8.0 sells for 18.17× Ungraded (+1717%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
Grade 8.0 sells for 18.17× (+1717%) the Ungraded price — a $103 difference per comic.
Grade 6.0 sells for 7× (+600%) the Ungraded price — a $36 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Green Mansions #90 (1951), the jump from Ungraded to Grade 8.0 is worth $103 (18.17×) — 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).