Ungraded vs Grade 8.0 Invincible #138 (2017): price difference
Invincible #138 (2017) value — Ungraded $56 vs Grade 8.0 $47. Ungraded sells for 1.19× Grade 8.0 (+19%). Prices updated September 2026.
Medians of real sold listings per grade, updated September 2026 — how we compute values.
Ungraded sells for 1.19× (+19%) the Grade 8.0 price — a $9 difference per comic.
Ungraded sells for 1.44× (+44%) the Grade 6.0 price — a $17 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Invincible #138 (2017), the jump from Grade 8.0 to Ungraded is worth $9 (1.19×) — 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).