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Japanese

Cornerstone Mask Ogerpon Ex 91/187

Terastal Festival· Language: Japanese

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Cornerstone Mask Ogerpon Ex #91 from Japanese Terastal Festival currently trades at $1.37 raw, with PSA 10 copies reaching $19.38 — a 14.1x grade premium.

Current Prices (USD)

Ungraded

$1.37

PSA 7

$10.81

PSA 8

$10.81

PSA 9

$10.81

PSA 10

$19.38

ACE 10

—

BGS 10 Black

$125.00

CGC 10 Pristine

$16.34

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Quick price facts

Cornerstone Mask Ogerpon Ex 91/187 from Terastal Festival has a current raw market value of $1.37.

Current raw value: $1.37
PSA 9 value: $10.81
PSA 10 value: $19.38
PSA 10 premium vs raw: 14.1× raw

View all cards from Terastal Festival →

Collector Intel

14.1x

Raw → PSA 10

High-risk grade

7.9x

Raw → PSA 9

Grade multiplier

Calculated from price history, PSA population data, and market trends. Not financial advice.

Grading Calculator

Based on PSA Standard tier (~$25 USD). Assumes a perfect PSA 10 result — actual outcome depends on card condition.

Buy Raw

~$25

Grading Fee

PSA Standard

$19

PSA 10 Value

$-7

Best Case (PSA 10)

if you pull a 10

Grade Multiples vs Raw

PSA 9$117.9x raw

PSA 10$1914.1x raw

Frequently asked questions

How much is Cornerstone Mask Ogerpon Ex #91 from Japanese Terastal Festival worth?+

Cornerstone Mask Ogerpon Ex #91 from Japanese Terastal Festival is currently worth Raw: $1.37, PSA 9: $10.81, PSA 10: $19.38 based on recent sold listings. Prices update daily from real eBay sales.

Is Cornerstone Mask Ogerpon Ex #91 worth grading?+

The PSA 10 price of $19.38 is 14.1× the raw price of $1.37. After grading fees the upside looks limited. Wait for the raw price to drop, or grade only if you have a near-mint copy you are confident about.

Where do PokePrices Cornerstone Mask Ogerpon Ex #91 prices come from?+

Prices are tracked nightly from real sold listings on PriceCharting (raw, PSA 9 and PSA 10). PSA population data is sourced from PSA's public reports. We do not use asking prices — only confirmed sales.