Ungraded vs Grade 8.0 Superman #121 (1958): price difference

Superman #121 (1958) value — Ungraded $38 vs Grade 8.0 $374. Grade 8.0 sells for 9.84× Ungraded (+884%). Prices updated July 2026.

GradeSold medianvs Ungraded
Ungraded$38eBay ↗
Grade 6.0$1253.29× · +229%eBay ↗
Grade 8.0$3749.84× · +884%eBay ↗

Medians of real sold listings per grade, updated July 2026 how we compute values.

Ungraded vs Grade 8.0
$38$374

Grade 8.0 sells for 9.84× (+884%) the Ungraded price — a $336 difference per comic.

Ungraded vs Grade 6.0
$38$125

Grade 6.0 sells for 3.29× (+229%) the Ungraded price — a $87 difference per comic.

Should you get this comic graded?

Grading runs about $30 per comic all-in. On Superman #121 (1958), the jump from Ungraded to Grade 8.0 is worth $336 (9.84×) — 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 →
See current eBay listingsSee sold Superman #121 (1958) listings ↗Full Superman #121 (1958) price guide →

Values are estimates from real sales data — not appraisals or offers. Some links earn JunkPal a commission at no cost to you (disclosure).

Superman #121 (1958): Ungraded vs Grade 8.0 Price Difference