Ungraded vs Grade 6.0 Captain Marvel Adventures #121 (1951): price difference
Captain Marvel Adventures #121 (1951) value — Ungraded $59 vs Grade 6.0 $60. Grade 6.0 sells for 1.02× Ungraded (+2%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Grade 6.0 sells for 1.02× (+2%) the Ungraded price — a $1 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Captain Marvel Adventures #121 (1951), the jump from Ungraded to Grade 6.0 is worth $1 (1.02×) — at today's prices that doesn't cover the fee — grading this one is for the collection, not the flip. 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).