Ungraded vs Grade 8.0 Superman #100 (1955): price difference
Superman #100 (1955) value — Ungraded $205 vs Grade 8.0 $11400. Grade 8.0 sells for 55.61× Ungraded (+5461%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Grade 8.0 sells for 55.61× (+5461%) the Ungraded price — a $11,195 difference per comic.
Grade 8.0 sells for 12.46× (+1146%) the Grade 6.0 price — a $10,485 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Superman #100 (1955), the jump from Ungraded to Grade 8.0 is worth $11,195 (55.61×) — 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).