Ungraded vs Grade 8.0 Invincible [Sketch] #52 (2008): price difference
Invincible [Sketch] #52 (2008) value — Ungraded $162 vs Grade 8.0 $164. Grade 8.0 sells for 1.01× Ungraded (+1%). Prices updated September 2026.
Medians of real sold listings per grade, updated September 2026 — how we compute values.
Grade 8.0 sells for 1.01× (+1%) the Ungraded price — a $2 difference per comic.
Grade 8.0 sells for 1.21× (+21%) the Grade 6.0 price — a $28 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Invincible [Sketch] #52 (2008), the jump from Ungraded to Grade 8.0 is worth $2 (1.01×) — 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).