Ungraded vs Grade 8.0 Fantastic Four [Jewelers] #257 (1983): price difference
Fantastic Four [Jewelers] #257 (1983) value — Ungraded $22 vs Grade 8.0 $100. Grade 8.0 sells for 4.55× Ungraded (+355%). Prices updated September 2026.
Medians of real sold listings per grade, updated September 2026 — how we compute values.
Ungraded vs Grade 8.0
$22→$100
Grade 8.0 sells for 4.55× (+355%) the Ungraded price — a $78 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Fantastic Four [Jewelers] #257 (1983), the jump from Ungraded to Grade 8.0 is worth $78 (4.55×) — 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).