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Koga's Koffing #79, Unlimited, Gym Challenge

  • Card number: #79/132
  • Rarity: Common
  • Finish: Non-Holo

A PSA 9 Koga's Koffing #79 Unlimited from Gym Challenge has a TCGBerg fair value of $29 as of Nov 15, 2026. It rests on 14 recorded sales, the latest on Oct 20, 2026. PSA has graded 36 copies at PSA 9. Sales evidence is limited, so treat this value as a rough estimate.

TCGBerg fair valuePSA 9
As of Nov 15, 2026
$29up 8.0%30-day change

TCGBerg Algorithm (estimated from recorded sales).

14 sales · latest Oct 20, 2026

Fair value3 months
Last sale$35Oct 20, 202621.2% above fair
5-sale avg$20Aug 23Oct 20
Population · PSA 9
36
Market cap
$1.0K
Volatility
3.8%
YTD
↑ 85.5%
Sales evidence
Limited

TCGBerg fair value · PSA 9

$29

30D8.0%YTD85.5%
Sales evidenceLimited

Based on 14 recorded sales. Latest sale: Oct 20, 2026.

Market cap
$1.0K
fair value x population
Population
36
graded copies
Last sale
$35
+21.2% vs fair
5-sale avg
$20
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, $35 on Oct 20, 2026, sits 21.2% above the $29 fair value. The value rests on 14 recorded PSA 9 sales. Its confidence band runs from $26 to $32. A PSA 10 ($184) is worth 6.4 times a PSA 9 ($29). Over the past 30 days the PSA 9 value has risen 8.0%. With limited 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$0.92Ungraded · TCGBerg fair value
  • Raw LP$0.79Ungraded · TCGBerg fair value
  • Raw MP$0.53Ungraded · TCGBerg fair value
  • Raw HP$0.44Ungraded · TCGBerg fair value
  • Raw Damaged$0.42Ungraded · 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.

  • $0.95
    Oct 30, 2026 · via tcgplayer
    Rawabove fair value by 3.3%
  • $0.95
    Oct 28, 2026 · via tcgplayer
    Rawabove fair value by 3.3%
  • $1.10
    Oct 28, 2026 · via tcgplayer
    Rawabove fair value by 19.6%
  • $0.50
    Oct 28, 2026 · via tcgplayer
    Rawbelow fair value by 45.7%
  • $0.85
    Oct 26, 2026 · via tcgplayer
    Rawbelow fair value by 7.6%

15 more sales with Pro

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

Includes a sale 63.2% below fair value

All grades matrix

Every grade we track for this printing.

  • CGC Gem Mint 10$23
    1d 10.7%7d 10.7%30d 10.7%
    Pop
    44
    Mcap
    $1.0K
    Evidence
    Sparse
    Last
    $19
  • CGC9.5$8.89
    1d 21.9%7d 21.9%30d 21.9%
    Pop
    11
    Mcap
    $98
    Evidence
    Sparse
    Last
    $9.60
  • PSA10$184
    1d 0.0%7d 0.0%30d 23.7%
    Pop
    21
    Mcap
    $3.9K
    Evidence
    Sparse
    Last
    $36
Listings
CGC Gem Mint 10$2344$1.0Kup 10.7%up 10.7%up 10.7%Sparse$1910mo ago
CGC9.5$8.8911$98down 21.9%down 21.9%down 21.9%Sparse$9.6011mo ago
PSA10$18421$3.9K0.0%up 23.7%up 63.1%Sparse$362y ago
PSA9$2936$1.0Kdown 0.2%up 8.0%up 20.2%Limited$354w ago
PSA8$2012$239up 0.2%up 9.2%up 25.3%Limited$163mo ago
PSA7$203$590.0%up 8.7%up 23.6%Sparse-
PSA6$191$190.0%up 6.0%up 20.1%Sparse$137mo ago
PSA5$161-0.0%down 5.9%up 15.1%Sparse-
Raw$0.92--0.0%up 8.2%-Strong$0.952w ago

Graded population report

312 graded copies of Koga's Koffing Unlimited across 22 grades.

PSA 10
21 · 6.7%
PSA 9
36 · 12%
PSA 8
12 · 3.8%
PSA 7
3 · 1.0%
PSA 6
1 · 0.3%
CGC Pristine 10
7 · 2.2%
CGC Gem Mint 10
44 · 14%
CGC 9.5
11 · 3.5%
CGC 9
43 · 14%
CGC 8.5
45 · 14%
CGC 8
28 · 9.0%
CGC 7.5
24 · 7.7%
CGC 7
11 · 3.5%
CGC 6.5
5 · 1.6%
CGC 6
7 · 2.2%
CGC 5.5
3 · 1.0%
CGC 5
2 · 0.6%
CGC 4.5
3 · 1.0%
BGS 8.5
1 · 0.3%
BGS 8
1 · 0.3%
CGC Authentic
3 · 1.0%
PSA 5
1 · 0.3%

PSA 9 makes up 12% of graded copies: 36 of 312. CGC 8.5 is the most common grade (14%).

Analysis

Koga's Koffing - Unlimited at PSA 10 carries a TCGBerg fair value of $184 as of 2026-11-14. We track a TCGBerg fair value across 8 grades from Gym Challenge, from CGC 9.5 up to PSA 10. A graded population of 21 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 23.7%.

PSA 9 - frequently asked

How much is a PSA 9 Koga's Koffing - Unlimited from Gym Challenge worth?
$29 as of 2026-11-14, the model-derived TCGBerg fair value for a PSA 9 Koga's Koffing - Unlimited from Gym Challenge. It rests on limited sales evidence. This estimate is not a guaranteed sale price.
What is the graded population of a PSA 9 Koga's Koffing - Unlimited from Gym Challenge?
36 copies have been graded at PSA 9, the recorded graded population, not the number of copies printed.
How has the PSA 9 Koga's Koffing - Unlimited from Gym Challenge price moved recently?
Its TCGBerg fair value has risen 8.0% over the past 30 days.
What did a PSA 9 Koga's Koffing - Unlimited from Gym Challenge last sell for?
The most recent recorded sale was $35 on 2026-10-20. This recorded sale is separate from the model-derived fair value.