Ungraded vs Grade 8.0 Silver Surfer #13 (1988): price difference
Silver Surfer #13 (1988) value — Ungraded $3 vs Grade 8.0 $25. Grade 8.0 sells for 8.33× Ungraded (+733%). Prices updated September 2026.
Medians of real sold listings per grade, updated September 2026 — how we compute values.
Grade 8.0 sells for 8.33× (+733%) the Ungraded price — a $22 difference per comic.
Grade 6.0 sells for 6.67× (+567%) the Ungraded price — a $17 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Silver Surfer #13 (1988), the jump from Ungraded to Grade 8.0 is worth $22 (8.33×) — 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).