Cornerstone Mask Ogerpon ex

Transformation Mask · #128/101 · Special Art Rare · 2024JPN

$11.86

Market price ▲ 5.9% (1Y)

Prices as of Jul 26, 2026

425graded pop

90%gem rate

4.2×PSA 10 vs raw

-43%off ATH $19.34 · May 2024

+$11.07EV to grade — marginal

Price history

Holofoil▲ 2.2% 7d$11.86

Low $11.81Mid $15.32High $22.00

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Graded values

updated 2026-07-26

Grade 6 est.$10.47

Grade 5 est.$8.82

Grade 4 est.$7.27

Grade 3 est.$6.06

Grade 2 est.$4.96

Grade 1 est.$4.19

Grades 1–6 are estimates modeled from the raw price — PSA/CGC/BGS 7–10 and Ungraded are live tracked market values.

PSA 10 price history$49.95

PSA 10 chart is building — graded values are tracked nightly, a new point appears each day.

Graded population census · updated 2026-07-07

PSA350 graded · 320 gem 10

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CGC75 graded · 63 gem 10

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Population data from PriceCharting, updated monthly.

How much is Cornerstone Mask Ogerpon ex #128/101 worth?

As of July 27, 2026, Cornerstone Mask Ogerpon ex #128/101 from Transformation Mask sells for around $11.86 in raw, ungraded condition.

Grading changes the math on this one: a PSA 10 is valued around $49.95, roughly 4.2x the raw price, while a PSA 9 sits near $29.50. 350 copies have been graded to date, and 91% of them came back a 10 — worth knowing before you pay grading fees.

Prices on this page refresh nightly from live TCGplayer market data and are cross-checked against actual sold prices, so a single inflated listing never becomes "the price". The chart above has the full history.