Ungraded vs Grade 8.0 Invincible #13 (2004): price difference

Invincible #13 (2004) value — Ungraded $180 vs Grade 8.0 $139. Ungraded sells for 1.29× Grade 8.0 (+29%). Prices updated August 2026.

Falling · -19%
GradeSold medianvs Grade 6.0
Ungraded$1801.31× · +31%eBay ↗
Grade 6.0$137eBay ↗
Grade 8.0$1391.01× · +1%eBay ↗

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

Ungraded vs Grade 8.0
$139$180

Ungraded sells for 1.29× (+29%) the Grade 8.0 price — a $41 difference per comic.

Ungraded vs Grade 6.0
$137$180

Ungraded sells for 1.31× (+31%) the Grade 6.0 price — a $43 difference per comic.

Should you get this comic graded?

Grading runs about $30 per comic all-in. On Invincible #13 (2004), the jump from Grade 8.0 to Ungraded is worth $41 (1.29×) — 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 Invincible #13 (2004) listings ↗Full Invincible #13 (2004) 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).

Invincible #13 (2004): Ungraded vs Grade 8.0 Price Difference