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Grass Energy #129, 1st Edition, Gym Challenge

  • Card number: #129/132
  • Rarity: Common
  • Finish: Non-Holo

A PSA 10 Grass Energy #129 1st Edition from Gym Challenge has a TCGBerg fair value of $255 as of Nov 15, 2026. It rests on 11 recorded sales, the latest on Oct 10, 2026. PSA has graded 42 copies at PSA 10. Sales evidence is sparse, so treat this value as a rough estimate.

TCGBerg fair valuePSA 10
As of Nov 15, 2026
$255down 1.5%30-day change

TCGBerg Algorithm (estimated from recorded sales).

11 sales · latest Oct 10, 2026

Fair value3 months
Last sale$265Oct 10, 20264.0% above fair
5-sale avg$231Jan 19Oct 10
Population · PSA 10
42
Market cap
$10.7K
Volatility
0.8%
YTD
↑ 112.3%
Sales evidence
Sparse

TCGBerg fair value · PSA 10

$255

30D1.5%YTD112.3%
Sales evidenceSparse

Based on 11 recorded sales. Latest sale: Oct 10, 2026.

Market cap
$10.7K
fair value x population
Population
42
graded copies
Last sale
$265
+4.0% vs fair
5-sale avg
$231
recent sales
Grading

Price history

Open terminalPro

Weekly fair value for PSA 10.

What the evidence says

The last PSA 10 sale, $265 on Oct 10, 2026, is in line with the $255 fair value (4.0% above). The value rests on 11 recorded PSA 10 sales. Its confidence band runs from $222 to $288. A PSA 10 ($255) is worth 7.2 times a PSA 9 ($36). Over the past 30 days the PSA 10 value has fallen 1.5%. With sparse sales evidence, read the gap and the band as rough guides.

TCGBerg fair value by grade

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

  • Raw NM$1.87Ungraded · TCGBerg fair value
  • Raw LP$0.83Ungraded · TCGBerg fair value
  • Raw MP$0.60Ungraded · market price
  • Raw HP$0.49Ungraded · market price
  • Raw Damaged$0.43Ungraded · market price
hatched = market price, not a TCGBerg fair value

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.

  • $23
    Nov 8, 2026 · via eBay
    PSA9below fair value by 47.8%
  • $3.28
    Nov 3, 2026 · via tcgplayer
    Rawabove fair value by 72.6%
  • $1.81
    Oct 30, 2026 · via tcgplayer
    Rawabove fair value by 8.4%
  • $1.10
    Oct 15, 2026 · via tcgplayer
    Rawbelow fair value by 12.0%
  • $3.28
    Oct 12, 2026 · via tcgplayer
    Rawabove fair value by 162.4%

15 more sales with Pro

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

Includes a sale 51.1% below fair value

All grades matrix

Every grade we track for this printing.

  • CGC8$16
    1d -7d -30d -
    Pop
    7
    Mcap
    -
    Evidence
    Sparse
    Last
    -
  • CGC7$12
    1d -7d -30d -
    Pop
    2
    Mcap
    -
    Evidence
    Sparse
    Last
    -
  • PSA10$255
    1d 0.0%7d 0.1%30d 1.5%
    Pop
    42
    Mcap
    $10.7K
    Evidence
    Sparse
    Last
    $265
Listings
CGC8$167----Sparse-
CGC7$122----Sparse-
PSA10$25542$10.7Kup 0.1%down 1.5%up 26.8%Sparse$2651mo ago
PSA9$3674$2.6Kdown 18.9%down 15.4%up 11.7%Limited$231w ago
PSA8$2325$5840.0%down 21.0%up 69.3%Sparse-
PSA7$1717$286up 0.1%down 3.1%up 28.9%Sparse$7.504mo ago
PSA6$163$480.0%down 3.9%up 21.9%Sparse-
PSA5$121-0.0%down 5.1%down 10.3%Sparse-
Raw$1.87--down 1.6%up 42.7%-Strong$3.282w ago

Graded population report

269 graded copies of Grass Energy 1st Edition across 19 grades.

PSA 10
42 · 16%
PSA 9
74 · 28%
PSA 8
25 · 9.3%
PSA 7
17 · 6.3%
PSA 6
3 · 1.1%
CGC Pristine 10
3 · 1.1%
CGC Gem Mint 10
10 · 3.7%
CGC 9.5
1 · 0.4%
CGC 9
45 · 17%
CGC 8.5
29 · 11%
CGC 8
7 · 2.6%
CGC 7.5
5 · 1.9%
CGC 7
2 · 0.7%
CGC 6.5
1 · 0.4%
CGC 4.5
1 · 0.4%
CGC Authentic
1 · 0.4%
PSA 8.5
1 · 0.4%
PSA 5
1 · 0.4%
PSA 3
1 · 0.4%

PSA 10 makes up 16% of graded copies: 42 of 269. PSA 9 is the most common grade (28%).

Analysis

Grass Energy - 1st Edition Normal at PSA 10 carries a TCGBerg fair value of $255 as of 2026-11-14. We track a TCGBerg fair value across 8 grades from Gym Challenge, from PSA 5 up to PSA 10. A graded population of 42 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 fallen 1.5%.

PSA 10 - frequently asked

How much is a PSA 10 Grass Energy - 1st Edition Normal from Gym Challenge worth?
$255 as of 2026-11-14, the model-derived TCGBerg fair value for a PSA 10 Grass Energy - 1st Edition Normal from Gym Challenge. It rests on sparse sales evidence. This estimate is not a guaranteed sale price.
What is the graded population of a PSA 10 Grass Energy - 1st Edition Normal from Gym Challenge?
42 copies have been graded at PSA 10, the recorded graded population, not the number of copies printed.
How has the PSA 10 Grass Energy - 1st Edition Normal from Gym Challenge price moved recently?
Its TCGBerg fair value has fallen 1.5% over the past 30 days.
What did a PSA 10 Grass Energy - 1st Edition Normal from Gym Challenge last sell for?
The most recent recorded sale was $265 on 2026-10-10. This recorded sale is separate from the model-derived fair value.