Diglett #48, 1st Edition, Mysterious Mountains
Japanese edition
- Card number: #48/88
- ·Rarity: Common
- ·Finish: Non-Holo
A PSA 9 Diglett #48 1st Edition from Mysterious Mountains has a TCGBerg fair value of $59 as of Nov 15, 2026. TCGBerg has recorded 8 PSA 9 sales of this card, the latest on Oct 26, 2026. PSA has graded 22 copies at PSA 9.
TCGBerg Algorithm (estimated from recorded sales).
- Population · PSA 9
- 22
- Market cap
- $1.3K
- Volatility
- 6.8%
- YTD
- ↑ 96.9%
- Sales evidence
- Strong
TCGBerg fair value · PSA 9
$59
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, $77 on Oct 26, 2026, sits 31.1% above the $59 fair value. The value weighs 8 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 $52, within 10.9% of the value. Its confidence band runs from $53 to $64. A PSA 10 ($351) is worth 6.0 times a PSA 9 ($59). Over the past 30 days the PSA 9 value has risen 6.0%.
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$25Ungraded · market price
- Raw LP$9.00Ungraded · 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
15 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 | $256 | below fair value by -27.1% |
| Oct 26, 2026 | PSA9 | eBay | $77 | above fair value by +32.1% |
| Oct 26, 2026 | PSA10 | Fanatics Collect | $300 | below fair value by -14.9% |
| Oct 13, 2026 | PSA8 | eBay | $42 | above fair value by +2.4% |
| Oct 2, 2026 | PSA10 | Fanatics Collect | $699 | above fair value by +40.9% |
- $256Nov 10, 2026 · via eBayPSA10↓below fair value by 27.1%
- $77Oct 26, 2026 · via eBayPSA9↑above fair value by 32.1%
- $300Oct 26, 2026 · via Fanatics CollectPSA10↓below fair value by 14.9%
- $42Oct 13, 2026 · via eBayPSA8↑above fair value by 2.4%
- $699Oct 2, 2026 · via Fanatics CollectPSA10↑above fair value by 40.9%
| Sep 25, 2026 | PSA9 | eBay | $40 | below fair value by -14.8% |
| Sep 2, 2026 | PSA8 | eBay | $60 | above fair value by +27.0% |
| Aug 26, 2026 | PSA9 | Fanatics Collect | $45 | below fair value by -4.8% |
- $40PSA9↓below fair value by 14.8%
- $60PSA8↑above fair value by 27.0%
- $45PSA9↓below fair value by 4.8%
10 more sales with Pro
Up to 20 recent sales, each with its venue and its gap to fair value.
↓Includes a sale 25.0% 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.
- PSA10$3511d ↓0.4%7d ↓0.5%30d ↓18.1%
- Pop
- 27
- Mcap
- $9.5K
- Evidence
- Limited
- Last
- $256
- PSA9$591d ↑0.7%7d ↑0.9%30d ↑6.0%
- Pop
- 22
- Mcap
- $1.3K
- Evidence
- Strong
- Last
- $77
- PSA8$461d ·0.0%7d ·0.0%30d ↑3.7%
- Pop
- 6
- Mcap
- $275
- Evidence
- Sparse
- Last
- $42
| Listings | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| PSA10 | $351 | 27 | $9.5K | ↓down 0.4% | ↓down 0.5% | ↓down 18.1% | ↑up 62.7% | Limited | $2565d ago | |
| PSA9 | $59 | 22 | $1.3K | ↑up 0.7% | ↑up 0.9% | ↑up 6.0% | ↑up 19.4% | Strong | $773w ago | |
| PSA8 | $46 | 6 | $275 | 0.0% | 0.0% | ↑up 3.7% | ↑up 50.6% | Sparse | $421mo ago | |
| PSA7 | $35 | 2 | $70 | 0.0% | 0.0% | ↓down 11.8% | ↑up 37.9% | Sparse | - | |
| PSA6 | $23 | 0 | - | ↓down 5.4% | ↓down 6.6% | ↓down 2.6% | ↑up 47.8% | Sparse | - | |
| Raw | $25 | - | - | - | - | - | 0.0% | - | - |
PSA 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.57 graded copies of Diglett 1st Edition across 4 grades. The selected grade is highlighted.
PSA 9 makes up 39% of graded copies: 22 of 57. PSA 10 is the most common grade (47%).
Analysis
Diglett - 1st Edition Normal at PSA 10 carries a TCGBerg fair value of $351 as of 2026-11-14. We track a TCGBerg fair value across 5 grades from Mysterious Mountains, from PSA 6 up to PSA 10. A graded population of 27 copies sits behind the PSA 10 grade. The PSA 10 valuation rests on limited sales evidence. Over the past 30 days, the PSA 10 TCGBerg fair value has fallen 18.1%.