Ungraded vs Grade 8.0 Harley Quinn [Crain SDCC] #31 (2023): price difference
Harley Quinn [Crain SDCC] #31 (2023) value — Ungraded $49 vs Grade 8.0 $34. Ungraded sells for 1.44× Grade 8.0 (+44%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Ungraded sells for 1.44× (+44%) the Grade 8.0 price — a $15 difference per comic.
Ungraded sells for 1.69× (+69%) the Grade 6.0 price — a $20 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Harley Quinn [Crain SDCC] #31 (2023), the jump from Grade 8.0 to Ungraded is worth $15 (1.44×) — 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).