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Koffing #51, 1st Edition Shadowless, Base Set

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

A PSA 10 Koffing #51 1st Edition Shadowless from Base Set has a TCGBerg fair value of $709 as of Nov 14, 2026. TCGBerg has recorded 63 PSA 10 sales of this card, the latest on Nov 7, 2026. PSA has graded 630 copies at PSA 10.

TCGBerg fair valuePSA 10
As of Nov 14, 2026
$709down 2.5%30-day change

TCGBerg Algorithm (estimated from recorded sales).

Fair value3 months
Last sale$740Nov 7, 20264.4% above fair
5-sale avg$721Oct 8Nov 7
Population · PSA 10
630
Market cap
$446.4K
Volatility
2.7%
YTD
↑ 67.5%
Sales evidence
Very strong

TCGBerg fair value · PSA 10

$709

30D2.5%YTD67.5%
Sales evidenceVery strong
Market cap
$446.4K
fair value x population
Population
630
graded copies
Last sale
$740
+4.4% vs fair
5-sale avg
$721
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, $740 on Nov 7, 2026, is in line with the $709 fair value (4.4% above). The value weighs 29 PSA 10 sales from the past year, not the latest one alone. Its confidence band runs from $677 to $740. A PSA 10 ($709) is worth 7.4 times a PSA 9 ($96). Over the past 30 days the PSA 10 value has fallen 2.5%.

TCGBerg fair value by grade

Value at each grade and ungraded condition. Log scale. Tap a row to switch the whole page.

  • Raw NM$32Ungraded · TCGBerg fair value
  • Raw LP$18Ungraded · TCGBerg fair value
  • Raw MP$17Ungraded · market price
  • Raw HP$13Ungraded · TCGBerg fair value
  • Raw Damaged$12Ungraded · 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

20 tracked

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

  • $60
    Nov 9, 2026 · via Fanatics Collect
    PSA7above fair value by 41.0%
  • $37
    Nov 9, 2026 · via eBay
    PSA7below fair value by 13.3%
  • $25
    Nov 9, 2026 · via eBay
    PSA8below fair value by 46.4%
  • $115
    Nov 9, 2026 · via eBay
    PSA9above fair value by 19.7%
  • $50
    Nov 8, 2026 · via eBay
    PSA8above fair value by 6.8%

15 more sales with Pro

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

Includes a sale 27.8% below fair value

All grades matrix

Every grade we track for this printing.

  • CGC Pristine 10$482
    1d -7d -30d -
    Pop
    1
    Mcap
    $482
    Evidence
    Sparse
    Last
    $492
  • CGC Gem Mint 10$364
    1d -7d -30d -
    Pop
    40
    Mcap
    $14.6K
    Evidence
    Moderate
    Last
    $348
  • CGC9.5$97
    1d -7d -30d -
    Pop
    21
    Mcap
    $2.0K
    Evidence
    Limited
    Last
    $103
Listings
CGC Pristine 10$4821$482---Sparse$4923mo ago
CGC Gem Mint 10$36440$14.6K---Moderate$3482mo ago
CGC9.5$9721$2.0K---Limited$1034mo ago
PSA10$709630$446.4Kup 1.5%down 2.5%up 28.8%Very strong$7401w ago
PSA9$961,107$106.4Kdown 3.2%down 11.5%up 6.0%Very strong$1155d ago
PSA8$46588$26.9Kdown 2.5%down 21.4%down 8.6%Very strong$255d ago
PSA7$43269$11.4K0.0%up 0.8%up 1.8%Very strong$605d ago
PSA6$39114$4.5Kup 2.0%up 4.4%up 5.2%Moderate$312mo ago
PSA5$3262-up 0.7%up 0.1%down 2.0%Moderate$281mo ago
PSA4$3224-down 0.8%up 24.4%up 3.3%Limited$1511mo ago
PSA3$3114-down 0.8%up 24.4%up 3.3%Strong$352w ago
Raw$32--0.0%down 0.8%-Very strong$331mo ago

Graded population report

3,500 graded copies of Koffing 1st Edition Shadowless across 36 grades.

PSA 10
630 · 18%
PSA 9
1,107 · 32%
PSA 8
588 · 17%
PSA 7
269 · 7.7%
PSA 6
114 · 3.3%
BGS 9.5
8 · 0.2%
BGS 9
17 · 0.5%
CGC Pristine 10
1 · 0.0%
CGC Gem Mint 10
40 · 1.1%
CGC 9.5
21 · 0.6%
CGC 9
152 · 4.3%
CGC 8.5
127 · 3.6%
CGC 8
90 · 2.6%
CGC 7.5
67 · 1.9%
CGC 7
28 · 0.8%
CGC 6.5
26 · 0.7%
CGC 6
17 · 0.5%
CGC 5.5
16 · 0.5%
CGC 5
6 · 0.2%
CGC 4.5
8 · 0.2%
CGC 4
2 · 0.1%
CGC 3
2 · 0.1%
BGS 8.5
10 · 0.3%
BGS 8
8 · 0.2%
BGS 7.5
4 · 0.1%
BGS 7
1 · 0.0%
BGS 6.5
2 · 0.1%
BGS 6.0
1 · 0.0%
BGS 5.0
2 · 0.1%
CGC Authentic
8 · 0.2%
PSA 8.5
14 · 0.4%
PSA 5
62 · 1.8%
PSA 4
24 · 0.7%
PSA 3
14 · 0.4%
PSA 2
6 · 0.2%
PSA 1
8 · 0.2%

PSA 10 makes up 18% of graded copies: 630 of 3,500. PSA 9 is the most common grade (32%).

Analysis

Koffing - 1st Edition Shadowless Normal at PSA 10 carries a TCGBerg fair value of $708 as of 2026-11-14. We track a TCGBerg fair value across 11 grades from Base Set, from PSA 3 up to PSA 10. A graded population of 630 copies sits behind the PSA 10 grade. The PSA 10 valuation rests on very strong sales evidence. Over the past 30 days, the PSA 10 TCGBerg fair value has fallen 2.5%.

PSA 10 - frequently asked

How much is a PSA 10 Koffing - 1st Edition Shadowless Normal from Base Set worth?
$708 as of 2026-11-14, the model-derived TCGBerg fair value for a PSA 10 Koffing - 1st Edition Shadowless Normal from Base Set. It rests on very strong sales evidence. This estimate is not a guaranteed sale price.
What is the graded population of a PSA 10 Koffing - 1st Edition Shadowless Normal from Base Set?
630 copies have been graded at PSA 10, the recorded graded population, not the number of copies printed.
How has the PSA 10 Koffing - 1st Edition Shadowless Normal from Base Set price moved recently?
Its TCGBerg fair value has fallen 2.5% over the past 30 days.
What did a PSA 10 Koffing - 1st Edition Shadowless Normal from Base Set last sell for?
The most recent recorded sale was $740 on 2026-11-07. This recorded sale is separate from the model-derived fair value.