Ungraded vs Grade 8.0 Invincible [Skybound 5th SDCC Sketch] #1 (2015): price difference
Invincible [Skybound 5th SDCC Sketch] #1 (2015) value — Ungraded $160 vs Grade 8.0 $119. Ungraded sells for 1.34× Grade 8.0 (+34%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Ungraded sells for 1.34× (+34%) the Grade 8.0 price — a $41 difference per comic.
Ungraded sells for 1.62× (+62%) the Grade 6.0 price — a $61 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Invincible [Skybound 5th SDCC Sketch] #1 (2015), the jump from Grade 8.0 to Ungraded is worth $41 (1.34×) — 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).