Butterfree #98, 1st Edition, Base Expansion Pack
Japanese edition
- Card number: #98
- ·Rarity: Holo Rare
- ·Finish: Holo
A PSA 10 Butterfree #98 1st Edition from Base Expansion Pack has a TCGBerg fair value of $1,791 as of Nov 15, 2026. TCGBerg has recorded 51 PSA 10 sales of this card, the latest on Oct 26, 2026. PSA has graded 385 copies at PSA 10.
TCGBerg Algorithm (estimated from recorded sales).
- Population · PSA 10
- 385
- Market cap
- $689.6K
- Volatility
- 4.4%
- YTD
- ↑ 363.9%
- Sales evidence
- Strong
TCGBerg fair value · PSA 10
$1,791
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, $2,550 on Oct 26, 2026, sits 42.4% above the $1,791 fair value. The value weighs 30 PSA 10 sales from the past year, not the latest one alone. The latest sale ran above the recent run: the last 5 PSA 10 sales averaged $1,955, within 9.2% of the value. Its confidence band runs from $1,688 to $1,895. A PSA 10 ($1,791) is worth 4.4 times a PSA 9 ($411). Over the past 30 days the PSA 10 value has risen 17.3%.
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$200Ungraded · market price
- Raw LP$89Ungraded · 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 11, 2026 | PSA9 | eBay | $500 | above fair value by +21.6% |
| Nov 4, 2026 | PSA9 | eBay | $400 | above fair value by +4.5% |
| Oct 26, 2026 | PSA9 | Fanatics Collect | $552 | above fair value by +48.2% |
| Oct 26, 2026 | PSA10 | eBay | $2,550 | above fair value by +39.0% |
| Oct 21, 2026 | PSA9 | eBay | $400 | above fair value by +13.8% |
- $500Nov 11, 2026 · via eBayPSA9↑above fair value by 21.6%
- $400Nov 4, 2026 · via eBayPSA9↑above fair value by 4.5%
- $552Oct 26, 2026 · via Fanatics CollectPSA9↑above fair value by 48.2%
- $2,550Oct 26, 2026 · via eBayPSA10↑above fair value by 39.0%
- $400Oct 21, 2026 · via eBayPSA9↑above fair value by 13.8%
| Oct 17, 2026 | PSA10 | eBay | $1,900 | above fair value by +9.7% |
| Oct 17, 2026 | PSA10 | eBay | $1,900 | above fair value by +9.7% |
| Oct 16, 2026 | PSA9 | eBay | $370 | above fair value by +10.0% |
- $1,900PSA10↑above fair value by 9.7%
- $1,900PSA10↑above fair value by 9.7%
- $370PSA9↑above fair value by 10.0%
15 more sales with Pro
Up to 20 recent sales, each with its venue and its gap to fair value.
↓Includes a sale 13.0% 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 Gem Mint 10$4361d -7d -30d -
- Pop
- -
- Mcap
- -
- Evidence
- Sparse
- Last
- $300
- PSA10$1,7911d ↓0.4%7d ↓0.7%30d ↑17.3%
- Pop
- 385
- Mcap
- $689.6K
- Evidence
- Strong
- Last
- $2,550
- PSA9$4111d ↑6.7%7d ↑7.6%30d ↑26.1%
- Pop
- 391
- Mcap
- $160.7K
- Evidence
- Very strong
- Last
- $500
| CGC Gem Mint 10 | $436 | - | - | - | - | - | - | Sparse | $3006mo ago |
| PSA10 | $1,791 | 385 | $689.6K | ↓down 0.4% | ↓down 0.7% | ↑up 17.3% | ↑up 77.9% | Strong | $2,5503w ago |
| PSA9 | $411 | 391 | $160.7K | ↑up 6.7% | ↑up 7.6% | ↑up 26.1% | ↑up 48.4% | Very strong | $5004d ago |
| PSA8 | $220 | 106 | $23.3K | ↑up 0.8% | ↑up 0.9% | ↑up 9.8% | ↓down 19.3% | Moderate | $1971mo ago |
| PSA7 | $167 | 38 | $6.3K | ↑up 0.4% | ↑up 0.2% | ↓down 1.3% | ↑up 28.2% | Limited | $1627mo ago |
| PSA6 | $149 | 11 | $1.6K | ↑up 0.1% | 0.0% | ↑up 2.4% | ↑up 27.9% | Sparse | $1358mo ago |
| PSA5 | $114 | 4 | - | 0.0% | 0.0% | ↑up 9.1% | ↑up 15.0% | Sparse | - |
| PSA4 | $143 | 6 | - | 0.0% | 0.0% | 0.0% | ↑up 10.5% | Sparse | $1436mo ago |
| Raw | $200 | - | - | 0.0% | 0.0% | 0.0% | 0.0% | - | - |
Graded population report
How Butterfree'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.943 graded copies of Butterfree 1st Edition across 8 grades. The selected grade is highlighted.
PSA 10 makes up 41% of graded copies: 385 of 943. PSA 9 is the most common grade (41%).
Analysis
Butterfree - 1st Edition Holo at PSA 10 carries a TCGBerg fair value of $1,791 as of 2026-11-14. We track a TCGBerg fair value across 8 grades from Base Expansion Pack, from PSA 5 up to PSA 10. A graded population of 385 copies sits behind the PSA 10 grade. The PSA 10 valuation rests on strong sales evidence. Over the past 30 days, the PSA 10 TCGBerg fair value has risen 17.3%.