Cornerstone Mask Ogerpon ex

Twilight Masquerade · #199/167 · Ultra Rare · 2024

All 85 Ogerpon cards ranked by value →

$3.65

Market price ▼ 0.5% (30d)

Prices as of Nov 5, 2026

HP 210FightingBasicTeraexArt · 5ban Graphics

647graded pop

42%gem rate

13.5×PSA 10 vs raw

-13%off ATH $4.19 · Sep 2026

+$3.21EV to grade — marginal

Market data

Price history

Holofoil▲ 1.7% 7d

Low $2.75Mid $3.97

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Live listings

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Graded market

Graded values

PSA 10 report →updated 2026-11-05

Grade 6 est.$3.83

Grade 5 est.$3.22

Grade 4 est.$2.66

Grade 3 est.$2.22

Grade 2 est.$1.81

Grade 1 est.$1.53

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$49.17

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

Graded population census · updated 2026-09-18

PSA447 graded · 161 gem 10

12345678910

CGC200 graded · 113 gem 10

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Population data from PriceCharting, updated monthly.

Auction sale integrity

New

Graded sales for this card from public auctions, each checked for shill/relist patterns and prices that don’t match the market. How this works →

Clean price · CGC 10

$16.80

Medium confidence — 2 sales

Recent sale price by grade · tracked by cert number

CGC 10

$14.00

last $11.00 · Aug 10, 2026 · 2 sales

Unconfirmed

CGC 10 · 4 bids · Aug 10, 2026

$11.00

Unconfirmed

CGC 10 · 6 bids · Aug 10, 2026

$17.00

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Hearthflame Mask Ogerpon exPrismatic Evolutions · 2025$16.54

Wellspring Mask Ogerpon ex Transformation Mask (Japanese)

Wellspring Mask Ogerpon exTransformation Mask · 2024$16.10

Teal Mask Ogerpon exPrismatic Evolutions · 2025$15.81

Abilities

Cornerstone Stance

Prevent all damage from attacks done to this Pokémon by your opponent's Pokémon that have an Ability.

Attacks

140Demolish

This attack's damage isn't affected by Weakness or Resistance, or by any effects on your opponent's Active Pokémon.

How much is Cornerstone Mask Ogerpon ex #199/167 worth?

Cornerstone Mask Ogerpon ex #199/167 is a Ultra Rare card from Twilight Masquerade (2024) — today it trades at roughly $3.65 ungraded.

Grading changes the math on this one: a PSA 10 is valued around $49.17, roughly 13.5x the raw price, while a PSA 9 sits near $19.14. 447 copies have been graded to date, and 36% of them came back a 10 — worth knowing before you pay grading fees.

We update this valuation every night from live market data and verify it against real completed sales — see the chart above for how Cornerstone Mask Ogerpon ex has moved over time.

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