Ungraded vs Grade 8.0 The X-Men #140 (1980): price difference
The X-Men #140 (1980) value — Ungraded $22 vs Grade 8.0 $34. Grade 8.0 sells for 1.55× Ungraded (+55%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
Grade 8.0 sells for 1.55× (+55%) the Ungraded price — a $12 difference per comic.
Grade 6.0 sells for 1.36× (+36%) the Ungraded price — a $8 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On The X-Men #140 (1980), the jump from Ungraded to Grade 8.0 is worth $12 (1.55×) — 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).