tcgberg
tcgberg
Plans

Undersea Ruins #138, Normal, Aquapolis

  • Card number: #138/147
  • Rarity: Uncommon
  • Finish: Non-Holo

A PSA 9 Undersea Ruins #138 Normal from Aquapolis has a TCGBerg fair value of $35 as of Nov 15, 2026. TCGBerg has recorded 5 PSA 9 sales of this card, the latest on Oct 15, 2026. PSA has graded 12 copies at PSA 9.

TCGBerg fair valuePSA 9
As of Nov 15, 2026
$35down 14.6%30-day change

TCGBerg Algorithm (estimated from recorded sales).

Fair value3 months
Last sale$18Oct 15, 202648.9% below fair
5-sale avg$30Apr 27Oct 15
Population · PSA 9
12
Market cap
$423
Volatility
8.5%
YTD
↑ 74.2%
Sales evidence
Moderate

TCGBerg fair value · PSA 9

$35

30D14.6%YTD74.2%
Sales evidenceModerate
Market cap
$423
fair value x population
Population
12
graded copies
Last sale
$18
-48.9% vs fair
5-sale avg
$30
recent sales
Grading

Price history

Open terminalPro

Weekly fair value for PSA 9.

Open in TerminalCandles, every grade, full historyPro

What the evidence says

The last PSA 9 sale, $18 on Oct 15, 2026, sits 48.9% below the $35 fair value. The value weighs 4 PSA 9 sales from the past year, not the latest one alone. The latest sale ran below the recent run: the last 5 PSA 9 sales averaged $30, within 15.1% of the value. Its confidence band runs from $32 to $38. A PSA 10 ($363) is worth 10.3 times a PSA 9 ($35). Over the past 30 days the PSA 9 value has fallen 14.6%.

TCGBerg fair value by grade

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

  • Raw NM$5.53Ungraded · TCGBerg fair value
  • Raw LP$5.14Ungraded · TCGBerg fair value
  • Raw MP$3.02Ungraded · TCGBerg fair value
  • Raw HP$2.02Ungraded · market price
  • Raw Damaged$1.80Ungraded · 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

17 tracked

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

  • $18
    Oct 15, 2026 · via eBay
    PSA9below fair value by 56.4%
  • $40
    Oct 7, 2026 · via eBay
    PSA9below fair value by 1.9%
  • $7.39
    Oct 5, 2026 · via tcgplayer
    Rawabove fair value by 33.6%
  • $492
    Sep 28, 2026 · via Fanatics Collect
    PSA10above fair value by 12.8%
  • $40
    Sep 27, 2026 · via eBay
    PSA9above fair value by 6.6%

12 more sales with Pro

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

Includes a sale 32.5% below fair value

All grades matrix

Every grade we track for this printing.

  • CGC Gem Mint 10$45
    1d -7d -30d -
    Pop
    9
    Mcap
    $402
    Evidence
    Sparse
    Last
    -
  • CGC9.5$6.30
    1d -7d -30d -
    Pop
    1
    Mcap
    $6
    Evidence
    Sparse
    Last
    $4.25
  • PSA10$363
    1d 0.0%7d 0.0%30d 16.0%
    Pop
    12
    Mcap
    $4.4K
    Evidence
    Limited
    Last
    $492
CGC Gem Mint 10$459$402---Sparse-
CGC9.5$6.301$6---Sparse$4.256mo ago
PSA10$36312$4.4K0.0%down 16.0%up 18.4%Limited$4922mo ago
PSA9$3512$423up 0.2%down 14.6%up 9.7%Moderate$181mo ago
PSA8$234$90down 0.1%down 4.2%up 13.3%Sparse$223mo ago
PSA7$161$160.0%down 0.2%up 14.1%Sparse-
PSA6$160-up 2.7%down 0.2%up 127.3%Sparse-
Raw$5.53--0.0%0.0%-Strong$7.391mo ago

Graded population report

69 graded copies of Undersea Ruins Normal across 14 grades.

PSA 10
12 · 17%
PSA 9
12 · 17%
PSA 8
4 · 5.8%
PSA 7
1 · 1.4%
CGC Pristine 10
1 · 1.4%
CGC Gem Mint 10
9 · 13%
CGC 9.5
1 · 1.4%
CGC 9
8 · 12%
CGC 8.5
8 · 12%
CGC 8
7 · 10%
CGC 7.5
2 · 2.9%
CGC 4
1 · 1.4%
CGC Authentic
1 · 1.4%
PSA 4
2 · 2.9%

PSA 9 makes up 17% of graded copies: 12 of 69. PSA 10 is the most common grade (17%).

Analysis

Undersea Ruins - Normal at PSA 10 carries a TCGBerg fair value of $363 as of 2026-11-14. We track a TCGBerg fair value across 7 grades from Aquapolis, from CGC 9.5 up to PSA 10. A graded population of 12 copies sits behind the PSA 10 grade. The PSA 10 valuation rests on limited sales evidence. Over the past 30 days, the PSA 10 TCGBerg fair value has fallen 16.0%.

PSA 9 - frequently asked

How much is a PSA 9 Undersea Ruins - Normal from Aquapolis worth?
$35 as of 2026-11-14, the model-derived TCGBerg fair value for a PSA 9 Undersea Ruins - Normal from Aquapolis. It rests on moderate sales evidence. This estimate is not a guaranteed sale price.
What is the graded population of a PSA 9 Undersea Ruins - Normal from Aquapolis?
12 copies have been graded at PSA 9, the recorded graded population, not the number of copies printed.
How has the PSA 9 Undersea Ruins - Normal from Aquapolis price moved recently?
Its TCGBerg fair value has fallen 14.6% over the past 30 days.
What did a PSA 9 Undersea Ruins - Normal from Aquapolis last sell for?
The most recent recorded sale was $18 on 2026-10-15. This recorded sale is separate from the model-derived fair value.