Ungraded vs Grade 8.0 Thor #340 (1984): price difference
Thor #340 (1984) value — Ungraded $5 vs Grade 8.0 $36. Grade 8.0 sells for 7.2× Ungraded (+620%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
Grade 8.0 sells for 7.2× (+620%) the Ungraded price — a $31 difference per comic.
Grade 6.0 sells for 3.6× (+260%) the Ungraded price — a $13 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Thor #340 (1984), the jump from Ungraded to Grade 8.0 is worth $31 (7.2×) — 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).