Cornerstone Mask Ogerpon ex

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

$11.90

Market price ▲ 3.8% (30d)

Prices as of Aug 14, 2026

425graded pop

90%gem rate

4.2×PSA 10 vs raw

-38%off ATH $19.34 · May 2024

+$10.88EV to grade — marginal

Market data

Price history

Holofoil▲ 0.0% 7d

Low $10.00Mid $14.25High $22.00

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Live listings

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Graded market

Graded values

PSA 10 report →updated 2026-08-13

Grade 6 est.$11.35

Grade 5 est.$9.56

Grade 4 est.$7.89

Grade 3 est.$6.57

Grade 2 est.$5.38

Grade 1 est.$4.54

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 August 14, 2026, Cornerstone Mask Ogerpon ex #128/101 from Transformation Mask sells for around $11.90 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 $28.02. 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.

Collecting Transformation Mask?Full master set guide — every card, chase list, and completion cost→