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Grass Energy #99, Unlimited, Base Set

  • Card number: #99/102
  • Rarity: Common
  • Finish: Non-Holo

A PSA 10 Grass Energy #99 Unlimited from Base Set has a TCGBerg fair value of $93 as of Nov 15, 2026. TCGBerg has recorded 37 PSA 10 sales of this card, the latest on Oct 31, 2026. PSA has graded 381 copies at PSA 10.

TCGBerg fair valuePSA 10
As of Nov 15, 2026
$93down 18.2%30-day change

TCGBerg Algorithm (estimated from recorded sales).

Fair value3 months
Last sale$77Oct 31, 202616.5% below fair
5-sale avg$91Sep 28Oct 31
Population · PSA 10
381
Market cap
$35.3K
Volatility
5.9%
YTD
↑ 46.2%
Sales evidence
Very strong

TCGBerg fair value · PSA 10

$93

30D18.2%YTD46.2%
Sales evidenceVery strong
Market cap
$35.3K
fair value x population
Population
381
graded copies
Last sale
$77
-16.5% vs fair
5-sale avg
$91
recent sales
Grading

Price history

Open terminalPro

Weekly fair value for PSA 10.

Open in TerminalCandles, every grade, full historyPro

What the evidence says

The last PSA 10 sale, $77 on Oct 31, 2026, sits 16.5% below the $93 fair value. The value weighs 29 PSA 10 sales from the past year, not the latest one alone. The latest sale ran below the recent run: the last 5 PSA 10 sales averaged $91, within 2.1% of the value. Its confidence band runs from $87 to $98. A PSA 10 ($93) is worth 2.3 times a PSA 9 ($40). Over the past 30 days the PSA 10 value has fallen 18.2%.

TCGBerg fair value by grade

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

  • Raw NM$0.42Ungraded · TCGBerg fair value
  • Raw LP$0.27Ungraded · TCGBerg fair value
  • Raw MP$0.19Ungraded · TCGBerg fair value
  • Raw Damaged$0.16Ungraded · TCGBerg fair value
  • Raw HP$0.14Ungraded · 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.

  • $0.36
    Nov 7, 2026 · via tcgplayer
    Rawbelow fair value by 18.2%
  • $0.36
    Nov 7, 2026 · via tcgplayer
    Rawbelow fair value by 18.2%
  • $0.44
    Nov 7, 2026 · via tcgplayer
    Rawat fair value by 0.0%
  • $2.29
    Nov 4, 2026 · via tcgplayer
    Rawabove fair value by 420.5%
  • $1.15
    Nov 3, 2026 · via tcgplayer
    Rawabove fair value by 161.4%

15 more sales with Pro

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

Includes a sale 47.7% below fair value

All grades matrix

Every grade we track for this printing.

  • CGC Pristine 10$40
    1d -7d -30d -
    Pop
    9
    Mcap
    $360
    Evidence
    Sparse
    Last
    $40
  • CGC9.5$20
    1d -7d -30d -
    Pop
    15
    Mcap
    $298
    Evidence
    Sparse
    Last
    -
  • PSA10$93
    1d 0.1%7d 1.1%30d 18.2%
    Pop
    381
    Mcap
    $35.3K
    Evidence
    Very strong
    Last
    $77
Listings
CGC Pristine 10$409$360---Sparse$401y ago
CGC9.5$2015$298---Sparse-
PSA10$93381$35.3Kup 1.1%down 18.2%down 16.7%Very strong$772w ago
PSA9$40526$20.9Kup 1.2%up 4.6%down 14.3%Strong$451mo ago
PSA8$15194$2.9Kup 7.1%up 1.4%up 6.4%Strong$144w ago
PSA7$1583$1.2Kup 4.2%down 1.3%up 40.6%Moderate$125mo ago
PSA6$1560$880up 1.8%down 3.3%up 23.8%Limited$212mo ago
PSA5$1524-up 1.8%down 3.3%up 23.8%Sparse$7.507mo ago
PSA2$154-up 4.2%down 1.4%up 40.5%Sparse$2212mo ago
Raw$0.42--down 4.5%down 6.7%-Very strong$0.361w ago

Graded population report

1,852 graded copies of Grass Energy Unlimited across 32 grades.

PSA 10
381 · 21%
PSA 9
526 · 28%
PSA 8
194 · 10%
PSA 7
83 · 4.5%
PSA 6
60 · 3.2%
BGS 9.5
3 · 0.2%
BGS 9
16 · 0.9%
CGC Pristine 10
9 · 0.5%
CGC Gem Mint 10
51 · 2.8%
CGC 9.5
15 · 0.8%
CGC 9
149 · 8.0%
CGC 8.5
79 · 4.3%
CGC 8
49 · 2.6%
CGC 7.5
48 · 2.6%
CGC 7
23 · 1.2%
CGC 6.5
19 · 1.0%
CGC 6
20 · 1.1%
CGC 5.5
33 · 1.8%
CGC 5
13 · 0.7%
CGC 4.5
8 · 0.4%
CGC 4
3 · 0.2%
CGC 3.5
3 · 0.2%
BGS 8.5
6 · 0.3%
BGS 8
7 · 0.4%
BGS 5.5
1 · 0.1%
CGC Authentic
3 · 0.2%
PSA 7.5
1 · 0.1%
PSA 5
24 · 1.3%
PSA 4
11 · 0.6%
PSA 3
7 · 0.4%
PSA 2
4 · 0.2%
PSA 1
3 · 0.2%

PSA 10 makes up 21% of graded copies: 381 of 1,852. PSA 9 is the most common grade (28%).

Analysis

Grass Energy - Unlimited Normal at PSA 10 carries a TCGBerg fair value of $93 as of 2026-11-14. We track a TCGBerg fair value across 9 grades from Base Set, from PSA 2 up to PSA 10. A graded population of 381 copies sits behind the PSA 10 grade. The PSA 10 valuation rests on very strong sales evidence. Over the past 30 days, the PSA 10 TCGBerg fair value has fallen 18.2%.

PSA 10 - frequently asked

How much is a PSA 10 Grass Energy - Unlimited Normal from Base Set worth?
$93 as of 2026-11-14, the model-derived TCGBerg fair value for a PSA 10 Grass Energy - Unlimited Normal from Base Set. It rests on very strong sales evidence. This estimate is not a guaranteed sale price.
What is the graded population of a PSA 10 Grass Energy - Unlimited Normal from Base Set?
381 copies have been graded at PSA 10, the recorded graded population, not the number of copies printed.
How has the PSA 10 Grass Energy - Unlimited Normal from Base Set price moved recently?
Its TCGBerg fair value has fallen 18.2% over the past 30 days.
What did a PSA 10 Grass Energy - Unlimited Normal from Base Set last sell for?
The most recent recorded sale was $77 on 2026-10-31. This recorded sale is separate from the model-derived fair value.