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Mewtwo #51, Prerelease-Staff, XY - Evolutions

  • Card number: #51/108
  • Rarity: Rare
  • Finish: Holo

A PSA 8 Mewtwo #51 Prerelease-Staff from XY - Evolutions has a TCGBerg fair value of $649 as of Nov 15, 2026. TCGBerg has recorded 14 PSA 8 sales of this card, the latest on Nov 8, 2026. PSA has graded 100 copies at PSA 8.

TCGBerg fair valuePSA 8
As of Nov 15, 2026
$649down 14.7%30-day change

TCGBerg Algorithm (estimated from recorded sales).

Fair value3 months
Last sale$518Nov 8, 202620.2% below fair
5-sale avg$615Aug 9Nov 8
Population · PSA 8
100
Market cap
$64.9K
Volatility
5.5%
YTD
↑ 36.5%
Sales evidence
Strong

TCGBerg fair value · PSA 8

$649

30D14.7%YTD36.5%
Sales evidenceStrong
Market cap
$64.9K
fair value x population
Population
100
graded copies
Last sale
$518
-20.2% vs fair
5-sale avg
$615
recent sales
Grading

Price history

Open terminalPro

Weekly fair value for PSA 8.

Open in TerminalCandles, every grade, full historyPro

What the evidence says

The last PSA 8 sale, $518 on Nov 8, 2026, sits 20.2% below the $649 fair value. The value weighs 14 PSA 8 sales from the past year, not the latest one alone. The latest sale ran below the recent run: the last 5 PSA 8 sales averaged $615, within 5.2% of the value. Its confidence band runs from $596 to $702. A PSA 10 ($25,806) is worth 14.7 times a PSA 9 ($1,761). Over the past 30 days the PSA 8 value has fallen 14.7%.

TCGBerg fair value by grade

Value at each grade and ungraded condition. Log scale. Tap a row to switch the whole page.

Behind the scenes

What goes into this price, and how much we know.

Recent sales

20 tracked

Each sale against the grade's fair value on the day it sold.

  • $750
    Nov 8, 2026 · via eBay
    PSA5above fair value by 3.2%
  • $518
    Nov 8, 2026 · via eBay
    PSA8below fair value by 26.5%
  • $1,334
    Nov 8, 2026 · via eBay
    PSA9below fair value by 22.6%
  • $1,525
    Nov 4, 2026 · via eBay
    PSA9below fair value by 11.6%
  • $1,590
    Nov 2, 2026 · via Fanatics Collect
    PSA9below fair value by 7.8%

15 more sales with Pro

Up to 20 recent sales, each with its venue and its gap to fair value.

Includes a sale 44.5% below fair value

All grades matrix

Every grade we track for this printing.

  • PSA10$25,806
    1d 0.0%7d 0.1%30d 59.4%
    Pop
    5
    Mcap
    $129.0K
    Evidence
    Sparse
    Last
    $30,507
  • PSA9$1,761
    1d 1.9%7d 3.5%30d 0.4%
    Pop
    103
    Mcap
    $181.4K
    Evidence
    Strong
    Last
    $1,334
  • PSA8$649
    1d 0.0%7d 14.1%30d 14.7%
    Pop
    100
    Mcap
    $64.9K
    Evidence
    Strong
    Last
    $518
PSA10$25,8065$129.0Kup 0.1%up 59.4%up 97.5%Sparse$30,5073w ago
PSA9$1,761103$181.4Kdown 3.5%down 0.4%up 66.6%Strong$1,3341w ago
PSA8$649100$64.9Kdown 14.1%down 14.7%down 10.7%Strong$5181w ago
PSA7$70440$28.2Kdown 4.4%up 41.2%up 27.1%Limited$1,2994w ago
PSA6$70421$14.8Kdown 4.4%up 102.7%up 28.6%Sparse$3002y ago
PSA5$70414-down 4.4%up 102.7%up 28.9%Sparse$7501w ago

PSA population report

283 graded copies of Mewtwo Prerelease-Staff across 6 grades.

PSA 10
5 · 1.8%
PSA 9
103 · 36%
PSA 8
100 · 35%
PSA 7
40 · 14%
PSA 6
21 · 7.4%
PSA 5
14 · 4.9%

PSA 8 makes up 35% of graded copies: 100 of 283. PSA 9 is the most common grade (36%).

Analysis

Mewtwo-Holo Prerelease-Staff - Prerelease-Staff at PSA 10 carries a TCGBerg fair value of $25,806 as of 2026-11-14. We track a TCGBerg fair value across 6 grades from XY - Evolutions, from PSA 8 up to PSA 10. A graded population of 5 copies sits behind the PSA 10 grade. The PSA 10 valuation rests on sparse sales evidence. Over the past 30 days, the PSA 10 TCGBerg fair value has risen 59.4%.

PSA 8 - frequently asked

How much is a PSA 8 Mewtwo-Holo Prerelease-Staff - Prerelease-Staff from XY - Evolutions worth?
$649 as of 2026-11-14, the model-derived TCGBerg fair value for a PSA 8 Mewtwo-Holo Prerelease-Staff - Prerelease-Staff from XY - Evolutions. It rests on strong sales evidence. This estimate is not a guaranteed sale price.
What is the graded population of a PSA 8 Mewtwo-Holo Prerelease-Staff - Prerelease-Staff from XY - Evolutions?
100 copies have been graded at PSA 8, the recorded graded population, not the number of copies printed.
How has the PSA 8 Mewtwo-Holo Prerelease-Staff - Prerelease-Staff from XY - Evolutions price moved recently?
Its TCGBerg fair value has fallen 14.7% over the past 30 days.
What did a PSA 8 Mewtwo-Holo Prerelease-Staff - Prerelease-Staff from XY - Evolutions last sell for?
The most recent recorded sale was $518 on 2026-11-08. This recorded sale is separate from the model-derived fair value.