Ungraded vs Grade 8.0 Adventure Comics #373 (1968): price difference
Adventure Comics #373 (1968) value — Ungraded $6 vs Grade 8.0 $68. Grade 8.0 sells for 11.33× Ungraded (+1033%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Grade 8.0 sells for 11.33× (+1033%) the Ungraded price — a $62 difference per comic.
Grade 6.0 sells for 5.17× (+417%) the Ungraded price — a $25 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Adventure Comics #373 (1968), the jump from Ungraded to Grade 8.0 is worth $62 (11.33×) — 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).