Ungraded vs Grade 8.0 Adventure Comics #247 (1958): price difference
Adventure Comics #247 (1958) value — Ungraded $611 vs Grade 8.0 $13789. Grade 8.0 sells for 22.57× Ungraded (+2157%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Grade 8.0 sells for 22.57× (+2157%) the Ungraded price — a $13,178 difference per comic.
Grade 6.0 sells for 8.6× (+760%) the Ungraded price — a $4,645 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Adventure Comics #247 (1958), the jump from Ungraded to Grade 8.0 is worth $13,178 (22.57×) — 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).