Diglett #20, 1st Edition, Base Expansion Pack
Japanese edition
- Card number: #20
- ·Rarity: Common
- ·Finish: Non-Holo
A PSA 10 Diglett #20 1st Edition from Base Expansion Pack has a TCGBerg fair value of $176 as of Nov 15, 2026. TCGBerg has recorded 17 PSA 10 sales of this card, the latest on Nov 10, 2026. PSA has graded 113 copies at PSA 10.
TCGBerg Algorithm (estimated from recorded sales).
- Population · PSA 10
- 113
- Market cap
- $19.8K
- Volatility
- 5.2%
- YTD
- ↑ 193.3%
- Sales evidence
- Moderate
TCGBerg fair value · PSA 10
$176
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, $153 on Nov 10, 2026, sits 13.1% below the $176 fair value. The value weighs 17 PSA 10 sales from the past year, not the latest one alone. The latest sale ran below the recent run: the last 5 PSA 10 sales averaged $172, within 2.3% of the value. Its confidence band runs from $164 to $187. A PSA 10 ($176) is worth 5.1 times a PSA 9 ($35). Over the past 30 days the PSA 10 value has fallen 1.2%.
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$5.13Ungraded · market price
- Raw LP$3.50Ungraded · market price
- Raw HP$2.98Ungraded · market price
- Raw MP$2.97Ungraded · market price
- Raw Damaged$2.25Ungraded · 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 10, 2026 | PSA10 | eBay | $153 | below fair value by -13.1% |
| Nov 6, 2026 | PSA9 | eBay | $56 | above fair value by +61.3% |
| Nov 6, 2026 | PSA9 | eBay | $27 | below fair value by -22.2% |
| Nov 2, 2026 | Raw | tcgplayer | $5.55 | above fair value by +4.1% |
| Oct 15, 2026 | PSA9 | eBay | $50 | above fair value by +58.0% |
- $153Nov 10, 2026 · via eBayPSA10↓below fair value by 13.1%
- $56Nov 6, 2026 · via eBayPSA9↑above fair value by 61.3%
- $27Nov 6, 2026 · via eBayPSA9↓below fair value by 22.2%
- $5.55Nov 2, 2026 · via tcgplayerRaw↑above fair value by 4.1%
- $50Oct 15, 2026 · via eBayPSA9↑above fair value by 58.0%
| Oct 15, 2026 | Raw | tcgplayer | $4.99 | below fair value by -6.4% |
| Oct 13, 2026 | PSA9 | eBay | $25 | below fair value by -21.0% |
| Oct 5, 2026 | PSA10 | eBay | $300 | above fair value by +71.6% |
- $4.99Raw↓below fair value by 6.4%
- $25PSA9↓below fair value by 21.0%
- $300PSA10↑above fair value by 71.6%
15 more sales with Pro
Up to 20 recent sales, each with its venue and its gap to fair value.
↓Includes a sale 69.2% 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.
- CGC Gem Mint 10$161d -7d -30d -
- Pop
- -
- Mcap
- -
- Evidence
- Limited
- Last
- $16
- CGC9.5$8.971d -7d -30d -
- Pop
- -
- Mcap
- -
- Evidence
- Limited
- Last
- $7.20
- PSA10$1761d ↓15.1%7d ↓11.1%30d ↓1.2%
- Pop
- 113
- Mcap
- $19.8K
- Evidence
- Moderate
- Last
- $153
| CGC Gem Mint 10 | $16 | - | - | - | - | - | - | Limited | $169mo ago |
| CGC9.5 | $8.97 | - | - | - | - | - | - | Limited | $7.207mo ago |
| PSA10 | $176 | 113 | $19.8K | ↓down 15.1% | ↓down 11.1% | ↓down 1.2% | ↑up 7.4% | Moderate | $1535d ago |
| PSA9 | $35 | 103 | $3.6K | 0.0% | ↓down 0.1% | ↓down 12.7% | ↑up 8.5% | Strong | $561w ago |
| PSA8 | $21 | 16 | $339 | 0.0% | 0.0% | ↓down 46.7% | ↓down 33.7% | Moderate | $121mo ago |
| PSA7 | $16 | 4 | $65 | 0.0% | 0.0% | ↓down 55.9% | ↓down 28.2% | Sparse | - |
| PSA6 | $16 | 1 | $16 | 0.0% | 0.0% | ↓down 55.9% | ↓down 26.3% | Sparse | - |
| PSA5 | $16 | 1 | - | 0.0% | 0.0% | ↓down 55.1% | ↓down 26.3% | Sparse | - |
| Raw | $5.13 | - | - | 0.0% | ↑up 0.8% | ↑up 2.0% | ↓down 0.6% | - | $5.552w ago |
Graded population report
How Diglett'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.239 graded copies of Diglett 1st Edition across 7 grades. The selected grade is highlighted.
PSA 10 makes up 47% of graded copies: 113 of 239. It’s the most common grade for this card.
Analysis
Diglett - 1st Edition Normal at PSA 10 carries a TCGBerg fair value of $176 as of 2026-11-14. We track a TCGBerg fair value across 8 grades from Base Expansion Pack, from CGC 9.5 up to PSA 10. A graded population of 113 copies sits behind the PSA 10 grade. The PSA 10 valuation rests on moderate sales evidence. Over the past 30 days, the PSA 10 TCGBerg fair value has fallen 1.2%.