Koffing #109, Unlimited, Expansion Pack
Japanese edition
- Card number: #109
- ·Rarity: Common
- ·Finish: Non-Holo
A PSA 10 Koffing #109 Unlimited from Expansion Pack has a TCGBerg fair value of $206 as of Nov 15, 2026. TCGBerg has recorded 36 PSA 10 sales of this card, the latest on Nov 9, 2026. PSA has graded 273 copies at PSA 10.
TCGBerg Algorithm (estimated from recorded sales).
- Population · PSA 10
- 273
- Market cap
- $56.3K
- Volatility
- 4.3%
- YTD
- ↑ 72.4%
- Sales evidence
- Very strong
TCGBerg fair value · PSA 10
$206
Price history
Weekly fair value over time, plus a confidence band around it: how precisely we can pin the value, which tightens as more sales confirm it. Dots mark individual sales, snapped to their week: red when above fair value (a premium), green when below (a deal), hollow when flagged as an outlier. Switch the active grade with the selector above.Weekly fair value for PSA 10. Shaded area is the confidence band: how precisely we can pin the value; it tightens as more sales confirm it. Dots are individual sales. Confidence band: how precisely we can pin the fair value. It widens when sales scatter and narrows as more sales back the value up. The dots show the actual sale prices.
What the evidence says
The last PSA 10 sale, $205 on Nov 9, 2026, is in line with the $206 fair value (0.6% below). The value weighs 30 PSA 10 sales from the past year, not the latest one alone. Its confidence band runs from $197 to $215. A PSA 10 ($206) is worth 3.6 times a PSA 9 ($57). Over the past 30 days the PSA 10 value has fallen 8.2%.
TCGBerg fair value by grade
Side-by-side comparison of value across every grade and ungraded condition we track for this printing. The bar chart uses a log scale so raw and gem-mint fit on one axis. Solid bars are the TCGBerg fair value, modelled from recorded sales. Hatched bars are the latest market price instead, shown for ungraded conditions that trade too rarely for us to price one honestly.Value at each grade and ungraded condition. Log scale. Tap a row to switch the whole page.
- Raw NM$0.90Ungraded · TCGBerg fair value
- Raw LP$0.71Ungraded · TCGBerg fair value
- Raw MP$0.65Ungraded · TCGBerg fair value
- Raw HP$0.39Ungraded · TCGBerg fair value
- Raw Damaged$0.32Ungraded · TCGBerg fair value
Behind the scenes
How the published fair value for this grade was produced: the sales it rests on, how they were put together, and every recorded change afterwards. It describes one saved calculation, not a live recomputation.What goes into this price, and how much we know.
Recent sales
20 trackedEach sale against the grade's fair value on the day it sold.
| Date | Grade | Venue | Price | vs fair value |
|---|---|---|---|---|
| Nov 12, 2026 | Raw | tcgplayer | $0.64 | below fair value by -28.9% |
| Nov 9, 2026 | PSA10 | eBay | $205 | below fair value by -0.6% |
| Nov 7, 2026 | PSA8 | eBay | $13 | below fair value by -51.4% |
| Nov 7, 2026 | Raw | tcgplayer | $0.90 | below fair value by -1.1% |
| Nov 3, 2026 | PSA6 | eBay | $9.50 | below fair value by -53.1% |
- $0.64Nov 12, 2026 · via tcgplayerRaw↓below fair value by 28.9%
- $205Nov 9, 2026 · via eBayPSA10↓below fair value by 0.6%
- $13Nov 7, 2026 · via eBayPSA8↓below fair value by 51.4%
- $0.90Nov 7, 2026 · via tcgplayerRaw↓below fair value by 1.1%
- $9.50Nov 3, 2026 · via eBayPSA6↓below fair value by 53.1%
| Nov 1, 2026 | PSA10 | eBay | $195 | below fair value by -8.2% |
| Oct 30, 2026 | Raw | tcgplayer | $1.00 | above fair value by +19.0% |
| Oct 29, 2026 | Raw | tcgplayer | $1.00 | above fair value by +19.0% |
- $195PSA10↓below fair value by 8.2%
- $1.00Raw↑above fair value by 19.0%
- $1.00Raw↑above fair value by 19.0%
15 more sales with Pro
Up to 20 recent sales, each with its venue and its gap to fair value.
↓Includes a sale 42.5% below fair value
All grades matrix
Every grade we track for this printing. Click any column header to sort; the rightmost column jumps you to listings for that grade.
- CGC Gem Mint 10$961d -7d -30d -
- Pop
- -
- Mcap
- -
- Evidence
- Limited
- Last
- $75
- CGC9.5$121d -7d -30d -
- Pop
- -
- Mcap
- -
- Evidence
- Moderate
- Last
- $12
- PSA10$2061d ↑0.1%7d ↑0.2%30d ↓8.2%
- Pop
- 273
- Mcap
- $56.3K
- Evidence
- Very strong
- Last
- $205
| Listings | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| CGC Gem Mint 10 | $96 | - | - | - | - | - | - | Limited | $752mo ago | |
| CGC9.5 | $12 | - | - | - | - | - | - | Moderate | $126mo ago | |
| PSA10 | $206 | 273 | $56.3K | ↑up 0.1% | ↑up 0.2% | ↓down 8.2% | ↓down 36.2% | Very strong | $2056d ago | |
| PSA9 | $57 | 276 | $15.7K | ↓down 1.8% | ↓down 2.3% | ↓down 8.0% | ↑up 31.1% | Moderate | $801mo ago | |
| PSA8 | $27 | 56 | $1.5K | ↑up 0.1% | ↓down 3.2% | ↓down 25.2% | ↓down 0.4% | Moderate | $131w ago | |
| PSA7 | $20 | 20 | $402 | 0.0% | ↓down 2.5% | ↓down 36.9% | ↓down 22.8% | Limited | $134w ago | |
| PSA6 | $20 | 8 | $161 | 0.0% | ↓down 0.9% | ↓down 8.5% | ↓down 3.6% | Limited | $9.502w ago | |
| PSA5 | $20 | 10 | - | 0.0% | ↑up 0.3% | ↑up 0.7% | ↓down 5.2% | Limited | $142mo ago | |
| Raw | $0.90 | - | - | - | ↓down 1.1% | ↑up 9.8% | - | Very strong | $0.643d ago |
Graded population report
How Koffing's graded copies are spread across grades. Each bar is the number of copies graded at that grade; the percentage is that grade's share of the total graded population. These are recorded graded copies, not the total print run. A smaller population alone does not establish a price premium.670 graded copies of Koffing Unlimited across 15 grades. The selected grade is highlighted.
PSA 10 makes up 41% of graded copies: 273 of 670. PSA 9 is the most common grade (41%).
Analysis
Koffing - Unlimited at PSA 10 carries a TCGBerg fair value of $206 as of 2026-11-14. We track a TCGBerg fair value across 8 grades from Expansion Pack, from CGC 9.5 up to PSA 10. A graded population of 273 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 8.2%.
