Ungraded vs Grade 8.0 Uncanny X-Men #251 (1989): price difference
Uncanny X-Men #251 (1989) value — Ungraded $37 vs Grade 8.0 $56. Grade 8.0 sells for 1.51× Ungraded (+51%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Grade 8.0 sells for 1.51× (+51%) the Ungraded price — a $19 difference per comic.
Grade 6.0 sells for 1.27× (+27%) the Ungraded price — a $10 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Uncanny X-Men #251 (1989), the jump from Ungraded to Grade 8.0 is worth $19 (1.51×) — 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).