Nidoking [Reverse Holo] #31

Ungraded vs PSA 10 Nidoking [Reverse Holo] #31: price difference

Nidoking [Reverse Holo] #31 value — Ungraded $138 vs PSA 10 $3464. PSA 10 sells for 25.1× Ungraded (+2410%). Prices updated July 2026.

↗ Rising · +73%
GradeSold medianvs Ungraded
Ungraded$138—eBay ↗
Grade 9$6975.05× · +405%eBay ↗
PSA 10$346425.1× · +2410%eBay ↗

Medians of real sold listings per grade, updated July 2026 — how we compute values.

Ungraded vs PSA 10
$138→$3464

PSA 10 sells for 25.1× (+2410%) the Ungraded price — a $3,326 difference per card.

Ungraded vs Grade 9
$138→$697

Grade 9 sells for 5.05× (+405%) the Ungraded price — a $559 difference per card.

Should you get this card graded?

Grading runs about $30 per card all-in. On Nidoking [Reverse Holo] #31, the jump from Ungraded to PSA 10 is worth $3,326 (25.1×) — 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 →
See current eBay listingsSee sold Nidoking [Reverse Holo] #31 listings ↗Full Nidoking [Reverse Holo] #31 price guide →

Values are estimates from real sales data — not appraisals or offers. Some links earn JunkPal a commission at no cost to you (disclosure).