Ungraded vs Grade 8.0 Invincible #139 (2017): price difference
Invincible #139 (2017) value — Ungraded $81 vs Grade 8.0 $150. Grade 8.0 sells for 1.85× Ungraded (+85%). Prices updated September 2026.
Medians of real sold listings per grade, updated September 2026 — how we compute values.
Grade 8.0 sells for 1.85× (+85%) the Ungraded price — a $69 difference per comic.
Grade 8.0 sells for 2.14× (+114%) the Grade 6.0 price — a $80 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Invincible #139 (2017), the jump from Ungraded to Grade 8.0 is worth $69 (1.85×) — 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).