Ungraded vs Grade 8.0 Flintstones #13 (1963): price difference
Flintstones #13 (1963) value — Ungraded $7 vs Grade 8.0 $130. Grade 8.0 sells for 18.57× Ungraded (+1757%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Ungraded vs Grade 8.0
$7→$130
Grade 8.0 sells for 18.57× (+1757%) the Ungraded price — a $123 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Flintstones #13 (1963), the jump from Ungraded to Grade 8.0 is worth $123 (18.57×) — 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).