Ungraded vs Grade 8.0 Avengers #51 (1968): price difference
Avengers #51 (1968) value — Ungraded $15 vs Grade 8.0 $74. Grade 8.0 sells for 4.93× Ungraded (+393%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Grade 8.0 sells for 4.93× (+393%) the Ungraded price — a $59 difference per comic.
Grade 6.0 sells for 2.87× (+187%) the Ungraded price — a $28 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Avengers #51 (1968), the jump from Ungraded to Grade 8.0 is worth $59 (4.93×) — 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).