Cornerstone Mask Ogerpon ex #128 PSA 10 Price
$49.95
PSA 10 price history
Every grade, priced
| Grade | Market value | PSA population |
|---|---|---|
| PSA 10 (Gem Mint) | $49.95 | 320 |
| Grade 9.5 | $31.00 | — |
| PSA 9 (Mint) | $28.02 | 28 |
| BGS 10 | $65.00 | — |
| CGC 10 | $15.00 | — |
| Raw (ungraded) | $11.90 | — |
PSA has graded 350 copies of Cornerstone Mask Ogerpon ex #128 in total — 91.4% came back Gem Mint. Full cross-company population lives on the card page.
Thinking of grading your copy?
The math is on the card page: live grading expected value from this card's real gem rate and PSA prices, minus fees. And before you submit anything, the grading guide covers the self-checks that separate 10 candidates from expensive 9s.
Cornerstone Mask Ogerpon ex PSA 10 FAQ
How much is Cornerstone Mask Ogerpon ex worth in PSA 10?
Cornerstone Mask Ogerpon ex #128 from Transformation Mask (Japanese) is currently worth $49.95 in PSA 10 Gem Mint, based on graded sales data updated weekly. A raw copy trades around $11.90 — the PSA 10 carries a 4.2x premium.
How many PSA 10 copies of Cornerstone Mask Ogerpon ex exist?
PSA has graded 350 copies, and 320 earned the Gem Mint 10 label — a 91.4% gem rate. Population grows over time as new copies are submitted.
Is Cornerstone Mask Ogerpon ex worth grading?
Run the math, not the hope: grading costs roughly $20-25 per card, so a submission pays when the PSA 10 price times your realistic gem chance beats the raw price plus fees. This card gems at about 91.4%. The live grading expected value is computed on the main card page.
PSA 10 vs PSA 9 — how big is the difference for Cornerstone Mask Ogerpon ex?
A PSA 10 is worth $49.95 against $28.02 for a PSA 9 — a 1.8x gap. That gap is why centering and surface checks before submitting matter more than anything else.