Ungraded vs Grade 8.0 Thor [Jewelers] #337 (1983): price difference
Thor [Jewelers] #337 (1983) value — Ungraded $62 vs Grade 8.0 $275. Grade 8.0 sells for 4.44× Ungraded (+344%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Ungraded vs Grade 8.0
$62→$275
Grade 8.0 sells for 4.44× (+344%) the Ungraded price — a $213 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Thor [Jewelers] #337 (1983), the jump from Ungraded to Grade 8.0 is worth $213 (4.44×) — 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).