Koffing #50, Reverse Holo, XY - Evolutions
- Card number: #50/108
- Rarity: Uncommon
A PSA 9 Koffing #50 Reverse Holo from XY - Evolutions has a TCGBerg fair value of $30 as of Nov 14, 2026. TCGBerg has recorded 12 PSA 9 sales of this card, the latest on Nov 7, 2026. PSA has graded 177 copies at PSA 9.
TCGBerg Algorithm (estimated from recorded sales).
- Population · PSA 9
- 177
- Market cap
- $5.3K
- Volatility
- 9.6%
- YTD
- ↑ 69.6%
- Sales evidence
- Moderate
TCGBerg fair value · PSA 9
$30
Price history
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.
What the evidence says
The latest recorded PSA 9 sale ($50 on Nov 7, 2026) sits 65.8% above the $30 fair value, too far off to read as this grade's price. The value weighs 12 PSA 9 sales from the past year, not the latest one alone. The latest sale ran above the recent run: the last 5 PSA 9 sales averaged $33, within 8.8% of the value. Its confidence band runs from $27 to $32. A PSA 10 ($648) is worth 21.7 times a PSA 9 ($30). Over the past 30 days the PSA 9 value has risen 27.4%.
TCGBerg fair value by grade
Value at each grade and ungraded condition. Log scale. Tap a row to switch the whole page.
- Raw NM$0.54Ungraded · TCGBerg fair value
- Raw Damaged$0.37Ungraded · TCGBerg fair value
- Raw LP$0.36Ungraded · TCGBerg fair value
- Raw MP$0.36Ungraded · TCGBerg fair value
- Raw HP$0.27Ungraded · market price
Behind the scenes
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.
- $0.20Nov 13, 2026 · via tcgplayerRawbelow fair value by 63.0%
- $50Nov 7, 2026 · via eBayabove fair value by 66.4%
- $0.45Nov 5, 2026 · via tcgplayerRawbelow fair value by 19.6%
- $0.65Nov 4, 2026 · via tcgplayerRawabove fair value by 16.1%
- $21Oct 30, 2026 · via eBayabove fair value by 9.4%
15 more sales with Pro
Up to 20 recent sales, each with its venue and its gap to fair value.
Includes a sale 47.3% 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$201d 0.0%7d 0.0%30d 0.0%
- Pop
- -
- Mcap
- -
- Evidence
- Sparse
- Last
- $20
- CGC9.5$201d 0.0%7d 0.0%30d 0.0%
- Pop
- -
- Mcap
- -
- Evidence
- Sparse
- Last
- $20
- $6481d 0.1%7d 0.5%30d 5.8%
- Pop
- 39
- Mcap
- $25.3K
- Evidence
- Sparse
- Last
- $900
| Listings | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| CGC Gem Mint 10 | $20 | - | - | 0.0% | 0.0% | 0.0% | - | Sparse | $202y ago | |
| CGC9.5 | $20 | - | - | 0.0% | 0.0% | 0.0% | - | Sparse | $202y ago | |
| $648 | 39 | $25.3K | up 0.1% | up 0.5% | down 5.8% | up 127.3% | Sparse | $9001mo ago | ||
| $30 | 177 | $5.3K | up 0.2% | up 0.9% | up 27.4% | up 62.9% | Moderate | $501w ago | ||
| $19 | 95 | $1.8K | down 0.1% | down 1.6% | up 8.9% | up 35.4% | Moderate | $212w ago | ||
| $16 | 23 | $373 | 0.0% | 0.0% | up 3.2% | up 16.5% | Sparse | $9.501y ago | ||
| $13 | 8 | $108 | 0.0% | 0.0% | down 9.3% | up 9.4% | Sparse | - | ||
| $13 | 2 | - | 0.0% | 0.0% | down 9.3% | up 9.4% | Sparse | - | ||
| Raw | $0.54 | - | - | - | down 3.6% | up 3.8% | - | Very strong | $0.20yesterday |
Graded population report
347 graded copies of Koffing Reverse Holo across 9 grades. The selected grade is highlighted.
PSA 9 makes up 51% of graded copies: 177 of 347. It’s the most common grade for this card.
Analysis
Koffing - Reverse Holo at PSA 10 carries a TCGBerg fair value of $648 as of 2026-11-14. We track a TCGBerg fair value across 8 grades from XY - Evolutions, from PSA 6 up to PSA 10. A graded population of 39 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 5.8%.
