![Shining Magikarp [Double Holo Error] #66](/api/images/junkpal-products/cards/shining-magikarp-double-holo-error-66-pokemon-neo-revelation-card/img0/cover.webp)
Ungraded vs Grade 9 Shining Magikarp [Double Holo Error] #66: price difference
Shining Magikarp [Double Holo Error] #66 value — Ungraded $575 vs Grade 9 $3625. Grade 9 sells for 6.3× Ungraded (+530%). Prices updated July 2026.
↗ Rising · +20%
Medians of real sold listings per grade, updated July 2026 — how we compute values.
Ungraded vs Grade 9
$575→$3625
Grade 9 sells for 6.3× (+530%) the Ungraded price — a $3,050 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Shining Magikarp [Double Holo Error] #66, the jump from Ungraded to Grade 9 is worth $3,050 (6.3×) — 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).