Koga's Weezing #50, 1st Edition, Gym Challenge
- Card number: #50/132
- Rarity: Uncommon
- Finish: Non-Holo
A PSA 9 Koga's Weezing #50 1st Edition from Gym Challenge has a TCGBerg fair value of $51 as of Nov 15, 2026. TCGBerg has recorded 11 PSA 9 sales of this card, the latest on Nov 2, 2026. PSA has graded 155 copies at PSA 9.
TCGBerg Algorithm (estimated from recorded sales).
- Population · PSA 9
- 155
- Market cap
- $7.9K
- Volatility
- 3.0%
- YTD
- ↑ 17.1%
- Sales evidence
- Moderate
TCGBerg fair value · PSA 9
$51
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 last PSA 9 sale, $60 on Nov 2, 2026, sits 17.0% above the $51 fair value. The value weighs 11 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 $48, within 5.9% of the value. Its confidence band runs from $48 to $54. A PSA 10 ($352) is worth 6.9 times a PSA 9 ($51). Over the past 30 days the PSA 9 value has risen 8.6%.
TCGBerg fair value by grade
Value at each grade and ungraded condition. Log scale. Tap a row to switch the whole page.
- Raw NM$5.45Ungraded · TCGBerg fair value
- Raw LP$4.48Ungraded · TCGBerg fair value
- Raw MP$2.82Ungraded · TCGBerg fair value
- Raw Damaged$1.50Ungraded · market price
- Raw HP$1.30Ungraded · 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.
- $30Nov 9, 2026 · via eBaybelow fair value by 4.7%
- $156Nov 2, 2026 · via Fanatics CollectCGC Pristine 10below fair value by 11.3%
- $60Nov 2, 2026 · via Fanatics Collectabove fair value by 17.9%
- $6.42Oct 28, 2026 · via tcgplayerRawabove fair value by 18.0%
- $5.00Oct 27, 2026 · via tcgplayerRawbelow fair value by 8.1%
15 more sales with Pro
Up to 20 recent sales, each with its venue and its gap to fair value.
Includes a sale 29.0% 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 Pristine 10$1761d -7d -30d -
- Pop
- 5
- Mcap
- $879
- Evidence
- Sparse
- Last
- $156
- CGC9.5$241d 15.2%7d 15.2%30d 15.2%
- Pop
- 10
- Mcap
- $244
- Evidence
- Sparse
- Last
- $12
- $3521d 0.0%7d 0.3%30d 4.5%
- Pop
- 82
- Mcap
- $28.8K
- Evidence
- Sparse
- Last
- $285
| Listings | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| CGC Pristine 10 | $176 | 5 | $879 | - | - | - | - | Sparse | $1562w ago | |
| CGC9.5 | $24 | 10 | $244 | down 15.2% | down 15.2% | down 15.2% | down 15.2% | Sparse | $121y ago | |
| $352 | 82 | $28.8K | 0.0% | up 0.3% | up 4.5% | up 40.0% | Sparse | $2852mo ago | ||
| $51 | 155 | $7.9K | up 0.3% | up 0.8% | up 8.6% | up 6.8% | Moderate | $602w ago | ||
| $31 | 58 | $1.8K | 0.0% | up 0.1% | down 2.0% | up 6.2% | Strong | $306d ago | ||
| $29 | 19 | $549 | 0.0% | down 0.9% | down 3.0% | down 2.2% | Moderate | $301mo ago | ||
| $22 | 5 | $111 | 0.0% | 0.0% | down 4.9% | up 6.1% | Sparse | $167mo ago | ||
| $22 | 6 | - | 0.0% | 0.0% | down 4.9% | up 6.6% | Sparse | $151y ago | ||
| $29 | 1 | - | 0.0% | down 0.9% | down 3.0% | down 2.2% | Sparse | $302y ago | ||
| Raw | $5.45 | - | - | - | up 1.9% | down 0.9% | - | Very strong | $6.423w ago |
Graded population report
499 graded copies of Koga's Weezing 1st Edition across 23 grades. The selected grade is highlighted.
PSA 9 makes up 31% of graded copies: 155 of 499. It’s the most common grade for this card.
Analysis
Koga's Weezing - 1st Edition Normal at PSA 10 carries a TCGBerg fair value of $352 as of 2026-11-14. We track a TCGBerg fair value across 9 grades from Gym Challenge, from PSA 6 up to PSA 10. A graded population of 82 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 risen 4.5%.