Ungraded vs Grade 8.0 Adventure Comics #133 (1948): price difference
Adventure Comics #133 (1948) value — Ungraded $155 vs Grade 8.0 $295. Grade 8.0 sells for 1.9× Ungraded (+90%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Grade 8.0 sells for 1.9× (+90%) the Ungraded price — a $140 difference per comic.
Grade 6.0 sells for 1.89× (+89%) the Ungraded price — a $138 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Adventure Comics #133 (1948), the jump from Ungraded to Grade 8.0 is worth $140 (1.9×) — 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).