Ungraded vs PSA 10 Cornerstone Mask Ogerpon ex #215: price difference
Cornerstone Mask Ogerpon ex #215 value — Ungraded $15 vs PSA 10 $55. PSA 10 sells for 3.67× Ungraded (+267%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 3.67× (+267%) the Ungraded price — a $40 difference per card.
PSA 10 sells for 2.2× (+120%) the Grade 9 price — a $30 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Cornerstone Mask Ogerpon ex #215, the jump from Ungraded to PSA 10 is worth $40 (3.67×) — 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).