Ungraded vs Grade 8.0 Flash #138 (1998): price difference
Flash #138 (1998) value — Ungraded $13 vs Grade 8.0 $52. Grade 8.0 sells for 4× Ungraded (+300%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Grade 8.0 sells for 4× (+300%) the Ungraded price — a $39 difference per comic.
Grade 8.0 sells for 2.6× (+160%) the Grade 6.0 price — a $32 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Flash #138 (1998), the jump from Ungraded to Grade 8.0 is worth $39 (4×) — 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).