![Tentacruel [Reverse Holo] #66](/api/images/junkpal-products/cards/tentacruel-reverse-holo-66-pokemon-legendary-collection-card/img0/cover.webp)
Ungraded vs PSA 10 Tentacruel [Reverse Holo] #66: price difference
Tentacruel [Reverse Holo] #66 value — Ungraded $86 vs PSA 10 $2394. PSA 10 sells for 27.84× Ungraded (+2684%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 27.84× (+2684%) the Ungraded price — a $2,308 difference per card.
PSA 10 sells for 8.64× (+764%) the Grade 9 price — a $2,117 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Tentacruel [Reverse Holo] #66, the jump from Ungraded to PSA 10 is worth $2,308 (27.84×) — 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).