Ungraded vs Grade 8.0 The Transformers #31 (1985): price difference
The Transformers #31 (1985) value — Ungraded $17 vs Grade 8.0 $54. Grade 8.0 sells for 3.18× Ungraded (+218%). Prices updated September 2026.
Medians of real sold listings per grade, updated September 2026 — how we compute values.
Grade 8.0 sells for 3.18× (+218%) the Ungraded price — a $37 difference per comic.
Grade 6.0 sells for 2.12× (+112%) the Ungraded price — a $19 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On The Transformers #31 (1985), the jump from Ungraded to Grade 8.0 is worth $37 (3.18×) — 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).