Koffing #50, Normal, XY - Evolutions
- EVO

- ·Card number: #50/108
- ·Rarity: Uncommon
- ·Finish: Non-Holo
A PSA 9 Koffing #50 Normal from XY - Evolutions has a TCGBerg fair value of $20 as of Nov 14, 2026. TCGBerg has recorded 1 PSA 9 sale of this card, the latest on Nov 7, 2026. PSA has graded 24 copies at PSA 9.
TCGBerg Algorithm (estimated from recorded sales).
- Population · PSA 9
- 24
- Market cap
- $491
- Volatility
- 5.7%
- YTD
- ↑ 109.0%
- Sales evidence
- Moderate
TCGBerg fair value · PSA 9
$20
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 9. 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 9 sale, $9.50 on Nov 7, 2026, sits 53.6% below the $20 fair value. The value weighs 1 PSA 9 sale from the past year, not the latest one alone. With so few PSA 9 sales on record, a single sale can sit far from the value. Its confidence band runs from $19 to $22. A PSA 10 ($197) is worth 9.6 times a PSA 9 ($20). Over the past 30 days the PSA 9 value has risen 19.1%.
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 LP$0.20Ungraded · TCGBerg fair value
- Raw NM$0.18Ungraded · TCGBerg fair value
- Raw HP$0.18Ungraded · TCGBerg fair value
- Raw MP$0.14Ungraded · TCGBerg fair value
- Raw Damaged$0.11Ungraded · market price
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 7, 2026 | PSA9 | eBay | $9.50 | below fair value by -53.6% |
| Nov 1, 2026 | Raw | tcgplayer | $0.14 | below fair value by -30.0% |
| Oct 30, 2026 | Raw | tcgplayer | $0.20 | at fair value by 0.0% |
| Oct 30, 2026 | Raw | tcgplayer | $0.20 | at fair value by 0.0% |
| Oct 29, 2026 | Raw | tcgplayer | $0.05 | below fair value by -75.0% |
- $9.50Nov 7, 2026 · via eBayPSA9↓below fair value by 53.6%
- $0.14Nov 1, 2026 · via tcgplayerRaw↓below fair value by 30.0%
- $0.20Oct 30, 2026 · via tcgplayerRaw·at fair value by 0.0%
- $0.20Oct 30, 2026 · via tcgplayerRaw·at fair value by 0.0%
- $0.05Oct 29, 2026 · via tcgplayerRaw↓below fair value by 75.0%
| Oct 28, 2026 | Raw | tcgplayer | $0.19 | below fair value by -5.0% |
| Oct 28, 2026 | Raw | tcgplayer | $0.25 | above fair value by +25.0% |
| Oct 24, 2026 | Raw | tcgplayer | $0.05 | below fair value by -76.2% |
- $0.19Raw↓below fair value by 5.0%
- $0.25Raw↑above fair value by 25.0%
- $0.05Raw↓below fair value by 76.2%
15 more sales with Pro
Up to 20 recent sales, each with its venue and its gap to fair value.
↓Includes a sale 76.2% 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.
- PSA10$1971d ·0.0%7d ·0.0%30d ↓15.8%
- Pop
- 10
- Mcap
- $2.0K
- Evidence
- Sparse
- Last
- $50
- PSA9$201d ·0.0%7d ·0.0%30d ↑19.1%
- Pop
- 24
- Mcap
- $491
- Evidence
- Moderate
- Last
- $9.50
- PSA8$171d ·0.0%7d ·0.0%30d ↑11.6%
- Pop
- 23
- Mcap
- $386
- Evidence
- Sparse
- Last
- $5.50
| Listings | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| PSA10 | $197 | 10 | $2.0K | 0.0% | 0.0% | ↓down 15.8% | ↑up 20.2% | Sparse | $501y ago | |
| PSA9 | $20 | 24 | $491 | 0.0% | 0.0% | ↑up 19.1% | ↑up 67.4% | Moderate | $9.501w ago | |
| PSA8 | $17 | 23 | $386 | 0.0% | 0.0% | ↑up 11.6% | ↑up 37.3% | Sparse | $5.502y ago | |
| PSA7 | $15 | 4 | $58 | 0.0% | 0.0% | ↓down 3.1% | ↑up 19.3% | Sparse | $7.5111mo ago | |
| PSA6 | $11 | 5 | $54 | 0.0% | 0.0% | ↓down 27.7% | ↓down 11.0% | Sparse | - | |
| PSA5 | $11 | 2 | - | 0.0% | 0.0% | - | - | Sparse | - | |
| Raw | $0.18 | - | - | - | 0.0% | 0.0% | - | Strong | $0.142w ago |
PSA 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.68 graded copies of Koffing Normal across 6 grades. The selected grade is highlighted.
PSA 9 makes up 35% of graded copies: 24 of 68. It’s the most common grade for this card.
Analysis
Koffing - Normal at PSA 10 carries a TCGBerg fair value of $197 as of 2026-11-14. We track a TCGBerg fair value across 6 grades from XY - Evolutions, from PSA 6 up to PSA 10. A graded population of 10 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 15.8%.
