Ungraded vs Grade 8.0 Thor #287 (1979): price difference
Thor #287 (1979) value — Ungraded $3 vs Grade 8.0 $59. Grade 8.0 sells for 19.67× Ungraded (+1867%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Grade 8.0 sells for 19.67× (+1867%) the Ungraded price — a $56 difference per comic.
Grade 8.0 sells for 4.92× (+392%) the Grade 6.0 price — a $47 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Thor #287 (1979), the jump from Ungraded to Grade 8.0 is worth $56 (19.67×) — 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).