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Grade Matrix

Graded
PSA 6
$5
Grade 7 guide
$8
Grade 8 guide
$9
PSA 9
$22
PSA 10
$52

PSA 10: Median of 3 sales, last 45 days · newest Oct 24, 2026 · checked Oct 26, 2026

PSA 9: Median of 1 PSA 9 sale in the last 90 days, latest 2026-10-14. Grade 9 guide (all graders): $20.

Grade 7 and Grade 8 are PriceCharting guides across all graders (PSA, CGC, BGS, SGC, TAG).

CGC
CGC 8
-
CGC 9
-
CGC 10
$28
CGC P10
-

Availability

Availabilityi
8/10G: 12/y
Graded: ~12 sales/yr (low) · Sales per year: ~316 sales/yr · Recent sales: 4 PSA 10 comps · Raw recent sales: 60 · Grade 9 recent sales: 30 · PSA 10 recent sales: 30 · Graded copies: 477 · PSA-10 delta 2.9%

TCGplayer Price History

HolofoilProduct 550243Fetched Oct 20, 4:03 AM
Weekly market
$3.67
week ending Oct 19
Weekly avg sale
$3.65
week ending Oct 19
Units sold (week)
8
week ending Oct 19

Card Value FAQ

How much is Cornerstone Mask Ogerpon ex (Twilight Masquerade #199) worth?

GemDelta shows Cornerstone Mask Ogerpon ex (Twilight Masquerade #199) at $3.68 market price (TCGplayer market). Its Delta multiple is 14.1x.

How much is a PSA 10 Cornerstone Mask Ogerpon ex (Twilight Masquerade #199) worth?

A PSA 10 Cornerstone Mask Ogerpon ex (Twilight Masquerade #199) is currently shown at $52.00, the median of 3 PSA 10 sales in the last 45 days (newest Oct 24, 2026).

Is Cornerstone Mask Ogerpon ex (Twilight Masquerade #199) worth grading?

GemDelta records a 36.5% gem rate for Cornerstone Mask Ogerpon ex (Twilight Masquerade #199), with 174 PSA 10 copies out of 477 total PSA grades and a 14.1x Delta. That describes the grading profile; it is not financial advice.

PSA 10 Recent sales

DateListingSale
Oct 24, 2026Pokemon 2024 Cornerstone Mask Ogerpon EX 199/167 Holo PSA 10$55.00
Oct 8, 20262024 Pokemon Twilight Masquerade Cornerstone Mask Ogerpon ex #199/167 PSA 10$40.55
Sep 30, 2026The Pokemon Company Cornerstone Mask Ogerpon ex 199/167 PSA 10 Holo EN 2024 199/167$52.00
Sep 3, 2026The Pokemon Company Cornerstone Mask Ogerpon ex 199/167 Twilight Masq PSA 10 199/167$53.00
Jun 1, 2026PSA 10 GEM Mint Cornerstone Mask Ogerpon ex 199 Ultra Rare - Pokemon SV06 TWM 199/167$53.19