Ungraded vs Grade 8.0 Adventure Comics #155 (1950): price difference
Adventure Comics #155 (1950) value — Ungraded $146 vs Grade 8.0 $854. Grade 8.0 sells for 5.85× Ungraded (+485%). Prices updated August 2026.
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Medians of real sold listings per grade, updated August 2026 — how we compute values.
Ungraded vs Grade 8.0
$146→$854
Grade 8.0 sells for 5.85× (+485%) the Ungraded price — a $708 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Adventure Comics #155 (1950), the jump from Ungraded to Grade 8.0 is worth $708 (5.85×) — 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).