Ungraded vs Grade 8.0 Strange Adventures #91 (1958): price difference
Strange Adventures #91 (1958) value — Ungraded $29 vs Grade 8.0 $424. Grade 8.0 sells for 14.62× Ungraded (+1362%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Ungraded vs Grade 8.0
$29→$424
Grade 8.0 sells for 14.62× (+1362%) the Ungraded price — a $395 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Strange Adventures #91 (1958), the jump from Ungraded to Grade 8.0 is worth $395 (14.62×) — 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).