Ungraded vs Grade 8.0 Batman [Whitman] #307 (1979): price difference
Batman [Whitman] #307 (1979) value — Ungraded $20 vs Grade 8.0 $83. Grade 8.0 sells for 4.15× Ungraded (+315%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Grade 8.0 sells for 4.15× (+315%) the Ungraded price — a $63 difference per comic.
Grade 6.0 sells for 2.6× (+160%) the Ungraded price — a $32 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Batman [Whitman] #307 (1979), the jump from Ungraded to Grade 8.0 is worth $63 (4.15×) — 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).