Ungraded vs Grade 8.0 Avengers #18 (1965): price difference
Avengers #18 (1965) value — Ungraded $25 vs Grade 8.0 $135. Grade 8.0 sells for 5.4× Ungraded (+440%). Prices updated September 2026.
Medians of real sold listings per grade, updated September 2026 — how we compute values.
Grade 8.0 sells for 5.4× (+440%) the Ungraded price — a $110 difference per comic.
Grade 8.0 sells for 2.37× (+137%) the Grade 6.0 price — a $78 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Avengers #18 (1965), the jump from Ungraded to Grade 8.0 is worth $110 (5.4×) — 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).