Ungraded vs Grade 8.0 Batman #300 (1978): price difference
Batman #300 (1978) value — Ungraded $17 vs Grade 8.0 $90. Grade 8.0 sells for 5.29× Ungraded (+429%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Grade 8.0 sells for 5.29× (+429%) the Ungraded price — a $73 difference per comic.
Grade 6.0 sells for 3× (+200%) the Ungraded price — a $34 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Batman #300 (1978), the jump from Ungraded to Grade 8.0 is worth $73 (5.29×) — 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).