Ungraded vs Grade 8.0 Thor #304 (1981): price difference
Thor #304 (1981) value — Ungraded $7 vs Grade 8.0 $20. Grade 8.0 sells for 2.86× Ungraded (+186%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Grade 8.0 sells for 2.86× (+186%) the Ungraded price — a $13 difference per comic.
Grade 6.0 sells for 2.71× (+171%) the Ungraded price — a $12 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Thor #304 (1981), the jump from Ungraded to Grade 8.0 is worth $13 (2.86×) — at today's prices that doesn't cover the fee — grading this one is for the collection, not the flip. 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).