Ungraded vs Grade 8.0 Thor #313 (1981): price difference
Thor #313 (1981) value — Ungraded $4 vs Grade 8.0 $26. Grade 8.0 sells for 6.5× Ungraded (+550%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Grade 8.0 sells for 6.5× (+550%) the Ungraded price — a $22 difference per comic.
Grade 6.0 sells for 4× (+300%) the Ungraded price — a $12 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Thor #313 (1981), the jump from Ungraded to Grade 8.0 is worth $22 (6.5×) — 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).