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slugma #20, Unlimited, Mysterious Mountains

Japanese edition

  • Card number: #20/88
  • Rarity: Common
  • Finish: Non-Holo

A PSA 10 slugma #20 Unlimited from Mysterious Mountains has a TCGBerg fair value of $282 as of Nov 15, 2026. It rests on 2 recorded sales, the latest on Jul 22, 2026. PSA has graded 3 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
$282up 10.8%30-day change

TCGBerg Algorithm (estimated from recorded sales).

2 sales · latest Jul 22, 2026

Fair value3 months
Last sale$205Jul 22, 202627.3% below fair
5-sale avg$178Mar 5Jul 22
Population · PSA 10
3
Market cap
$846
Volatility
3.0%
YTD
↑ 397.9%
Sales evidence
Sparse

TCGBerg fair value · PSA 10

$282

30D10.8%YTD397.9%
Sales evidenceSparse

Based on 2 recorded sales. Latest sale: Jul 22, 2026.

Market cap
$846
fair value x population
Population
3
graded copies
Last sale
$205
-27.3% vs fair
5-sale avg
$178
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, $205 on Jul 22, 2026, sits 27.3% below the $282 fair value. The value rests on 2 recorded PSA 10 sales. With so few PSA 10 sales on record, a single sale can sit far from the value. Its confidence band runs from $278 to $286. A PSA 10 ($282) is worth 6.7 times a PSA 9 ($42). Over the past 30 days the PSA 10 value has risen 10.8%. 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.

Behind the scenes

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

Recent sales

2 tracked

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

  • $205
    Jul 22, 2026 · via eBay
    PSA10above fair value by 4.1%
  • $150
    Mar 5, 2026 · via eBay
    PSA10above fair value by 9.5%

All grades matrix

Every grade we track for this printing.

  • PSA10$282
    1d 0.7%7d 0.5%30d 10.8%
    Pop
    3
    Mcap
    $846
    Evidence
    Sparse
    Last
    $205
  • PSA9$42
    1d 0.0%7d 0.0%30d 4.1%
    Pop
    3
    Mcap
    $126
    Evidence
    Sparse
    Last
    -
  • PSA8$34
    1d 14.5%7d 10.9%30d 26.6%
    Pop
    0
    Mcap
    -
    Evidence
    Sparse
    Last
    -
PSA10$2823$846up 0.5%up 10.8%up 41.9%Sparse$2054mo ago
PSA9$423$1260.0%up 4.1%up 18.0%Sparse-
PSA8$340-up 10.9%up 26.6%up 61.2%Sparse-
PSA7$331$33up 10.3%up 19.8%up 52.4%Sparse-
PSA6$330-up 10.3%up 19.8%up 52.4%Sparse-

PSA population report

7 graded copies of slugma Unlimited across 3 grades.

PSA 10
3 · 43%
PSA 9
3 · 43%
PSA 7
1 · 14%

PSA 10 makes up 43% of graded copies: 3 of 7. It’s the most common grade for this card.

Analysis

slugma - Unlimited Normal at PSA 10 carries a TCGBerg fair value of $282 as of 2026-11-14. We track a TCGBerg fair value across 5 grades from Mysterious Mountains, from PSA 7 up to PSA 10. A graded population of 3 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 10.8%.

PSA 10 - frequently asked

How much is a PSA 10 slugma - Unlimited Normal from Mysterious Mountains worth?
$282 as of 2026-11-14, the model-derived TCGBerg fair value for a PSA 10 slugma - Unlimited Normal from Mysterious Mountains. It rests on sparse sales evidence. This estimate is not a guaranteed sale price.
What is the graded population of a PSA 10 slugma - Unlimited Normal from Mysterious Mountains?
3 copies have been graded at PSA 10, the recorded graded population, not the number of copies printed.
How has the PSA 10 slugma - Unlimited Normal from Mysterious Mountains price moved recently?
Its TCGBerg fair value has risen 10.8% over the past 30 days.
What did a PSA 10 slugma - Unlimited Normal from Mysterious Mountains last sell for?
The most recent recorded sale was $205 on 2026-07-22. This recorded sale is separate from the model-derived fair value.