Ungraded vs Grade 8.0 Invincible #13 (2004): price difference
Invincible #13 (2004) value — Ungraded $170 vs Grade 8.0 $130. Ungraded sells for 1.31× Grade 8.0 (+31%). Prices updated September 2026.
Medians of real sold listings per grade, updated September 2026 — how we compute values.
Ungraded sells for 1.31× (+31%) the Grade 8.0 price — a $40 difference per comic.
Ungraded sells for 1.34× (+34%) 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 $40 (1.31×) — 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).