Ungraded vs PSA 10 Tentacool [Reverse Holo] #66: price difference

Tentacool [Reverse Holo] #66 value — Ungraded $13 vs PSA 10 $250. PSA 10 sells for 19.23× Ungraded (+1823%). Prices updated July 2026.

GradeSold medianvs Ungraded
Ungraded$13eBay ↗
Grade 9$614.69× · +369%eBay ↗
PSA 10$25019.23× · +1823%eBay ↗

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

Ungraded vs PSA 10
$13$250

PSA 10 sells for 19.23× (+1823%) the Ungraded price — a $237 difference per card.

Ungraded vs Grade 9
$13$61

Grade 9 sells for 4.69× (+369%) the Ungraded price — a $48 difference per card.

Should you get this card graded?

Grading runs about $30 per card all-in. On Tentacool [Reverse Holo] #66, the jump from Ungraded to PSA 10 is worth $237 (19.23×) — 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 Tentacool [Reverse Holo] #66 listings ↗Full Tentacool [Reverse Holo] #66 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).