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Mysterious Fossil #85, Reverse Holo, EX Power Keepers

  • Card number: #85/108
  • Rarity: Common

A PSA 10 Mysterious Fossil #85 Reverse Holo from EX Power Keepers has a TCGBerg fair value of $521 as of Nov 15, 2026. It rests on 1 recorded sale, the latest on Sep 28, 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
$521up 3.9%30-day change

TCGBerg Algorithm (estimated from recorded sales).

1 sale · latest Sep 28, 2026

Fair value3 months
Last sale$425Sep 28, 202618.5% below fair
5-sale avg$425last 5 sales
Population · PSA 10
3
Market cap
$1.6K
Volatility
2.7%
YTD
↑ 148.6%
Sales evidence
Sparse

TCGBerg fair value · PSA 10

$521

30D3.9%YTD148.6%
Sales evidenceSparse

Based on 1 recorded sale. Latest sale: Sep 28, 2026.

Market cap
$1.6K
fair value x population
Population
3
graded copies
Last sale
$425
-18.5% vs fair
5-sale avg
$425
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, $425 on Sep 28, 2026, sits 18.5% below the $521 fair value. The value rests on 1 recorded PSA 10 sale. With so few PSA 10 sales on record, a single sale can sit far from the value. Its confidence band runs from $391 to $652. A PSA 10 ($521) is worth 7.5 times a PSA 9 ($69). Over the past 30 days the PSA 10 value has risen 3.9%. 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$4.60Ungraded · TCGBerg fair value
  • Raw LP$1.75Ungraded · TCGBerg fair value
  • Raw HP$1.54Ungraded · TCGBerg fair value
  • Raw Damaged$0.86Ungraded · market price
  • Raw MP$0.81Ungraded · 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

8 tracked

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

  • $3.50
    Nov 11, 2026 · via tcgplayer
    Rawbelow fair value by 23.9%
  • $4.99
    Nov 5, 2026 · via tcgplayer
    Rawbelow fair value by 16.7%
  • $3.99
    Nov 3, 2026 · via tcgplayer
    Rawbelow fair value by 33.4%
  • $5.99
    Oct 5, 2026 · via tcgplayer
    Rawat fair value by 0.0%
  • $425
    Sep 28, 2026 · via eBay
    PSA10below fair value by 70.1%

3 more sales with Pro

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

Includes a sale 62.0% below fair value

All grades matrix

Every grade we track for this printing.

  • PSA10$521
    1d 0.0%7d 0.3%30d 3.9%
    Pop
    3
    Mcap
    $1.6K
    Evidence
    Sparse
    Last
    $425
  • PSA9$69
    1d 0.0%7d 0.1%30d 3.2%
    Pop
    15
    Mcap
    $1.0K
    Evidence
    Sparse
    Last
    $50
  • PSA8$24
    1d 0.0%7d 0.3%30d 9.1%
    Pop
    6
    Mcap
    $143
    Evidence
    Sparse
    Last
    $12
Listings
PSA10$5213$1.6Kup 0.3%up 3.9%down 51.8%Sparse$4252mo ago
PSA9$6915$1.0Kup 0.1%up 3.2%up 25.6%Sparse$507mo ago
PSA8$246$143up 0.3%down 9.1%down 37.2%Sparse$126mo ago
PSA7$182$360.0%down 0.6%down 47.7%Sparse-
PSA6$152$300.0%down 1.2%down 42.6%Sparse-
Raw$4.60--down 23.2%down 23.2%-Very strong$3.504d ago

PSA population report

28 graded copies of Mysterious Fossil Reverse Holo across 5 grades.

PSA 10
3 · 11%
PSA 9
15 · 54%
PSA 8
6 · 21%
PSA 7
2 · 7.1%
PSA 6
2 · 7.1%

PSA 10 makes up 11% of graded copies: 3 of 28. PSA 9 is the most common grade (54%).

Analysis

Mysterious Fossil - Reverse Holo at PSA 10 carries a TCGBerg fair value of $521 as of 2026-11-14. We track a TCGBerg fair value across 5 grades from EX Power Keepers, from PSA 6 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 3.9%.

PSA 10 - frequently asked

How much is a PSA 10 Mysterious Fossil - Reverse Holo from EX Power Keepers worth?
$521 as of 2026-11-14, the model-derived TCGBerg fair value for a PSA 10 Mysterious Fossil - Reverse Holo from EX Power Keepers. It rests on sparse sales evidence. This estimate is not a guaranteed sale price.
What is the graded population of a PSA 10 Mysterious Fossil - Reverse Holo from EX Power Keepers?
3 copies have been graded at PSA 10, the recorded graded population, not the number of copies printed.
How has the PSA 10 Mysterious Fossil - Reverse Holo from EX Power Keepers price moved recently?
Its TCGBerg fair value has risen 3.9% over the past 30 days.
What did a PSA 10 Mysterious Fossil - Reverse Holo from EX Power Keepers last sell for?
The most recent recorded sale was $425 on 2026-09-28. This recorded sale is separate from the model-derived fair value.