Ungraded vs Grade 8.0 Silver Surfer #17 (1970): price difference
Silver Surfer #17 (1970) value — Ungraded $30 vs Grade 8.0 $140. Grade 8.0 sells for 4.67× Ungraded (+367%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Grade 8.0 sells for 4.67× (+367%) the Ungraded price — a $110 difference per comic.
Grade 6.0 sells for 2.23× (+123%) the Ungraded price — a $37 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Silver Surfer #17 (1970), the jump from Ungraded to Grade 8.0 is worth $110 (4.67×) — 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).