Ungraded vs Grade 8.0 Marvel Team-Up #137 (1984): price difference
Marvel Team-Up #137 (1984) value — Ungraded $4 vs Grade 8.0 $73. Grade 8.0 sells for 18.25× Ungraded (+1725%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Grade 8.0 sells for 18.25× (+1725%) the Ungraded price — a $69 difference per comic.
Grade 8.0 sells for 5.62× (+462%) the Grade 6.0 price — a $60 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Marvel Team-Up #137 (1984), the jump from Ungraded to Grade 8.0 is worth $69 (18.25×) — 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).