Ungraded vs Grade 8.0 Detective Comics [Johnson] #1100 (2025): price difference
Detective Comics [Johnson] #1100 (2025) value — Ungraded $20 vs Grade 8.0 $16. Ungraded sells for 1.25× Grade 8.0 (+25%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
Ungraded sells for 1.25× (+25%) the Grade 8.0 price — a $4 difference per comic.
Ungraded sells for 1.43× (+43%) the Grade 6.0 price — a $6 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Detective Comics [Johnson] #1100 (2025), the jump from Grade 8.0 to Ungraded is worth $4 (1.25×) — at today's prices that doesn't cover the fee — grading this one is for the collection, not the flip. 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).