Ungraded vs Grade 8.0 Silver Surfer #18 (1970): price difference
Silver Surfer #18 (1970) value — Ungraded $27 vs Grade 8.0 $115. Grade 8.0 sells for 4.26× Ungraded (+326%). Prices updated September 2026.
Medians of real sold listings per grade, updated September 2026 — how we compute values.
Grade 8.0 sells for 4.26× (+326%) the Ungraded price — a $88 difference per comic.
Grade 6.0 sells for 3.3× (+230%) the Ungraded price — a $62 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Silver Surfer #18 (1970), the jump from Ungraded to Grade 8.0 is worth $88 (4.26×) — 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).