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Koffing #109, Normal, Japanese Topsun

Japanese edition

  • Card number: #109
  • Rarity: Common
  • Finish: Non-Holo

A PSA 9 Koffing #109 Normal from Japanese Topsun has a TCGBerg fair value of $583 as of Nov 15, 2026. It rests on 2 recorded sales, the latest on Oct 12, 2026. PSA has graded 21 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
$583up 18.1%30-day change

TCGBerg Algorithm (estimated from recorded sales).

2 sales · latest Oct 12, 2026

Fair value3 months
Last sale$738Oct 12, 202626.6% above fair
5-sale avg$579Jan 17Oct 12
Population · PSA 9
21
Market cap
$12.2K
Volatility
7.9%
YTD
↑ 209.7%
Sales evidence
Sparse

TCGBerg fair value · PSA 9

$583

30D18.1%YTD209.7%
Sales evidenceSparse

Based on 2 recorded sales. Latest sale: Oct 12, 2026.

Market cap
$12.2K
fair value x population
Population
21
graded copies
Last sale
$738
+26.6% vs fair
5-sale avg
$579
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, $738 on Oct 12, 2026, sits 26.6% above the $583 fair value. The value rests on 2 recorded PSA 9 sales. The latest sale ran above the recent run: the last 2 PSA 9 sales averaged $579, within 0.7% of the value. Its confidence band runs from $566 to $600. A PSA 10 ($3,764) is worth 6.5 times a PSA 9 ($583). Over the past 30 days the PSA 9 value has risen 18.1%. 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

8 tracked

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

  • $99
    Oct 19, 2026 · via eBay
    PSA6above fair value by 22.0%
  • $738
    Oct 12, 2026 · via Goldin
    PSA9above fair value by 66.9%
  • $85
    Oct 7, 2026 · via eBay
    PSA7below fair value by 4.9%
  • $82
    Sep 18, 2026 · via eBay
    PSA7below fair value by 6.6%
  • $79
    Sep 13, 2026 · via eBay
    PSA6above fair value by 12.3%

3 more sales with Pro

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

All grades matrix

Every grade we track for this printing.

  • PSA10$3,764
    1d 0.0%7d 0.0%30d 1.1%
    Pop
    2
    Mcap
    $7.5K
    Evidence
    Sparse
    Last
    -
  • PSA9$583
    1d 0.0%7d 0.6%30d 18.1%
    Pop
    21
    Mcap
    $12.2K
    Evidence
    Sparse
    Last
    $738
  • PSA8$248
    1d 0.0%7d 0.1%30d 48.9%
    Pop
    17
    Mcap
    $4.2K
    Evidence
    Limited
    Last
    $237
PSA10$3,7642$7.5K0.0%down 1.1%up 39.0%Sparse-
PSA9$58321$12.2Kup 0.6%up 18.1%up 8.2%Sparse$7381mo ago
PSA8$24817$4.2Kup 0.1%up 48.9%down 11.1%Limited$2373mo ago
PSA7$949$846up 0.1%up 11.6%down 24.3%Sparse$851mo ago
PSA6$8011$882up 0.1%up 12.6%up 61.9%Sparse$994w ago
PSA5$6112-up 0.1%up 15.2%up 35.7%Sparse$319mo ago

PSA population report

72 graded copies of Koffing Normal across 6 grades.

PSA 10
2 · 2.8%
PSA 9
21 · 29%
PSA 8
17 · 24%
PSA 7
9 · 13%
PSA 6
11 · 15%
PSA 5
12 · 17%

PSA 9 makes up 29% of graded copies: 21 of 72. It’s the most common grade for this card.

Analysis

Koffing - No Number Blue Back at PSA 10 carries a TCGBerg fair value of $3,764 as of 2026-11-14. We track a TCGBerg fair value across 6 grades from Japanese Topsun, from PSA 5 up to PSA 10. A graded population of 2 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 fallen 1.1%.

PSA 9 - frequently asked

How much is a PSA 9 Koffing - No Number Blue Back from Japanese Topsun worth?
$583 as of 2026-11-14, the model-derived TCGBerg fair value for a PSA 9 Koffing - No Number Blue Back from Japanese Topsun. It rests on sparse sales evidence. This estimate is not a guaranteed sale price.
What is the graded population of a PSA 9 Koffing - No Number Blue Back from Japanese Topsun?
21 copies have been graded at PSA 9, the recorded graded population, not the number of copies printed.
How has the PSA 9 Koffing - No Number Blue Back from Japanese Topsun price moved recently?
Its TCGBerg fair value has risen 18.1% over the past 30 days.
What did a PSA 9 Koffing - No Number Blue Back from Japanese Topsun last sell for?
The most recent recorded sale was $738 on 2026-10-12. This recorded sale is separate from the model-derived fair value.