Ungraded vs Grade 8.0 Transformers [Corona] #29 (2026): price difference
Transformers [Corona] #29 (2026) value — Ungraded $6 vs Grade 8.0 $27. Grade 8.0 sells for 4.5× Ungraded (+350%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
Grade 8.0 sells for 4.5× (+350%) the Ungraded price — a $21 difference per comic.
Grade 6.0 sells for 3.67× (+267%) the Ungraded price — a $16 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Transformers [Corona] #29 (2026), the jump from Ungraded to Grade 8.0 is worth $21 (4.5×) — 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).