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Koffing #51, 1st Edition, Korean Base Set

Korean edition

  • Card number: #51/102
  • Finish: Non-Holo

A PSA 9 Koffing #51 1st Edition from Korean Base Set has a TCGBerg fair value of $42 as of Nov 15, 2026. It rests on 1 recorded sale, the latest on Nov 7, 2026. PSA has graded 6 copies at PSA 9. Sales evidence is sparse, so treat this value as a rough estimate.

TCGBerg fair valuePSA 9
As of Nov 15, 2026
$42up 99.2%30-day change

TCGBerg Algorithm (estimated from recorded sales).

1 sale · latest Nov 7, 2026

Fair value3 months
Last sale$51Nov 7, 202620.0% above fair
5-sale avg$51last 5 sales
Population · PSA 9
6
Market cap
$254
Volatility
33.2%
YTD
↑ 179.1%
Sales evidence
Sparse

TCGBerg fair value · PSA 9

$42

30D99.2%YTD179.1%
Sales evidenceSparse

Based on 1 recorded sale. Latest sale: Nov 7, 2026.

Market cap
$254
fair value x population
Population
6
graded copies
Last sale
$51
+20.0% vs fair
5-sale avg
$51
recent sales
Grading

Price history

Open terminalPro

Weekly fair value for PSA 9.

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What the evidence says

The last PSA 9 sale, $51 on Nov 7, 2026, sits 20.0% above the $42 fair value. The value rests on 1 recorded PSA 9 sale. With so few PSA 9 sales on record, a single sale can sit far from the value. Its confidence band runs from $32 to $53. A PSA 10 ($57) is worth 1.3 times a PSA 9 ($42). Over the past 30 days the PSA 9 value has risen 99.2%. 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

1 tracked

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

  • $51
    Nov 7, 2026 · via eBay
    PSA9above fair value by 21.7%

All grades matrix

Every grade we track for this printing.

  • PSA10$57
    1d 0.0%7d 0.9%30d 13.0%
    Pop
    4
    Mcap
    $226
    Evidence
    Sparse
    Last
    $50
  • PSA9$42
    1d 0.0%7d 1.4%30d 99.2%
    Pop
    6
    Mcap
    $254
    Evidence
    Sparse
    Last
    $51
  • PSA8$12
    1d 0.0%7d 3.9%30d 38.6%
    Pop
    2
    Mcap
    $23
    Evidence
    Sparse
    Last
    -
PSA10$574$226down 0.9%up 13.0%up 13.0%Sparse$502y ago
PSA9$426$254up 1.4%up 99.2%up 197.6%Sparse$511w ago
PSA8$122$23up 3.9%up 38.6%up 65.6%Sparse-
PSA7$3.890-up 4.0%up 16.8%up 11.5%Sparse-
PSA6$3.890-up 4.0%up 38.4%up 65.5%Sparse-

PSA population report

12 graded copies of Koffing 1st Edition across 3 grades.

PSA 10
4 · 33%
PSA 9
6 · 50%
PSA 8
2 · 17%

PSA 9 makes up 50% of graded copies: 6 of 12. It’s the most common grade for this card.

Analysis

Koffing - 1st Edition-Korean at PSA 10 carries a TCGBerg fair value of $57 as of 2026-11-14. We track a TCGBerg fair value across 5 grades from Korean Base Set, from PSA 7 up to PSA 10. A graded population of 4 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 13.0%.

PSA 9 - frequently asked

How much is a PSA 9 Koffing - 1st Edition-Korean from Korean Base Set worth?
$42 as of 2026-11-14, the model-derived TCGBerg fair value for a PSA 9 Koffing - 1st Edition-Korean from Korean Base Set. It rests on sparse sales evidence. This estimate is not a guaranteed sale price.
What is the graded population of a PSA 9 Koffing - 1st Edition-Korean from Korean Base Set?
6 copies have been graded at PSA 9, the recorded graded population, not the number of copies printed.
How has the PSA 9 Koffing - 1st Edition-Korean from Korean Base Set price moved recently?
Its TCGBerg fair value has risen 99.2% over the past 30 days.
What did a PSA 9 Koffing - 1st Edition-Korean from Korean Base Set last sell for?
The most recent recorded sale was $51 on 2026-11-07. This recorded sale is separate from the model-derived fair value.