Ungraded vs Grade 8.0 Adventures into the Unknown #29 (1952): price difference
Adventures into the Unknown #29 (1952) value — Ungraded $40 vs Grade 8.0 $406. Grade 8.0 sells for 10.15× Ungraded (+915%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Ungraded vs Grade 8.0
$40→$406
Grade 8.0 sells for 10.15× (+915%) the Ungraded price — a $366 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Adventures into the Unknown #29 (1952), the jump from Ungraded to Grade 8.0 is worth $366 (10.15×) — 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).