Island [Oilslick] #366

Ungraded vs PSA 10 Island [Oilslick] #366: price difference

Island [Oilslick] #366 value — Ungraded $10 vs PSA 10 $45. PSA 10 sells for 4.5× Ungraded (+350%). Prices updated July 2026.

↗ Rising · +24%
GradeSold medianvs Ungraded
Ungraded$10—eBay ↗
Grade 9$303× · +200%eBay ↗
PSA 10$454.5× · +350%eBay ↗

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

Ungraded vs PSA 10
$10→$45

PSA 10 sells for 4.5× (+350%) the Ungraded price — a $35 difference per card.

Ungraded vs Grade 9
$10→$30

Grade 9 sells for 3× (+200%) the Ungraded price — a $20 difference per card.

Should you get this card graded?

Grading runs about $30 per card all-in. On Island [Oilslick] #366, the jump from Ungraded to PSA 10 is worth $35 (4.5×) — 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 Island [Oilslick] #366 listings ↗Full Island [Oilslick] #366 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).