Dark Slowbro #028, 1st Edition, Pokemon Web
Japanese edition
- Card number: #028
- ·Finish: Non-Holo
A PSA 10 Dark Slowbro #028 1st Edition from Pokemon Web has a TCGBerg fair value of $423 as of Nov 15, 2026. It rests on 16 recorded sales, the latest on Oct 8, 2026. PSA has graded 90 copies at PSA 10. Sales evidence is sparse, so treat this value as a rough estimate.
TCGBerg Algorithm (estimated from recorded sales).
16 sales · latest Oct 8, 2026
- Population · PSA 10
- 90
- Market cap
- $38.1K
- Volatility
- 8.7%
- YTD
- ↑ 283.3%
- Sales evidence
- Sparse
TCGBerg fair value · PSA 10
$423
Based on 16 recorded sales. Latest sale: Oct 8, 2026.
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, $297 on Oct 8, 2026, sits 29.9% below the $423 fair value. The value rests on 16 recorded PSA 10 sales. The latest sale ran below the recent run: the last 5 PSA 10 sales averaged $393, within 7.2% of the value. Its confidence band runs from $355 to $491. A PSA 10 ($423) is worth 2.6 times a PSA 9 ($162). Over the past 30 days the PSA 10 value has risen 29.8%. With sparse sales evidence, read the gap and the band as rough guides.
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$55Ungraded · 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
14 trackedEach sale against the grade's fair value on the day it sold.
| Date | Grade | Venue | Price | vs fair value |
|---|---|---|---|---|
| Oct 30, 2026 | PSA8 | eBay | $146 | above fair value by +22.4% |
| Oct 14, 2026 | PSA9 | eBay | $199 | above fair value by +33.8% |
| Oct 8, 2026 | PSA9 | eBay | $200 | above fair value by +76.8% |
| Oct 8, 2026 | PSA10 | Fanatics Collect | $297 | below fair value by -8.2% |
| Sep 17, 2026 | PSA6 | eBay | $68 | at fair value by 0.0% |
- $146Oct 30, 2026 · via eBayPSA8↑above fair value by 22.4%
- $199Oct 14, 2026 · via eBayPSA9↑above fair value by 33.8%
- $200Oct 8, 2026 · via eBayPSA9↑above fair value by 76.8%
- $297Oct 8, 2026 · via Fanatics CollectPSA10↓below fair value by 8.2%
- $68Sep 17, 2026 · via eBayPSA6·at fair value by 0.0%
| Aug 5, 2026 | PSA9 | eBay | $150 | above fair value by +44.3% |
| Aug 4, 2026 | PSA10 | eBay | $120 | below fair value by -60.6% |
| Jun 27, 2026 | PSA10 | eBay | $389 | below fair value by -1.9% |
- $150PSA9↑above fair value by 44.3%
- $120PSA10↓below fair value by 60.6%
- $389PSA10↓below fair value by 1.9%
9 more sales with Pro
Up to 20 recent sales, each with its venue and its gap to fair value.
↓Includes a sale 60.6% 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$4231d ↑1.0%7d ↑5.1%30d ↑29.8%
- Pop
- 90
- Mcap
- $38.1K
- Evidence
- Sparse
- Last
- $297
- PSA9$1621d ↓0.2%7d ↓1.4%30d ↑14.1%
- Pop
- 48
- Mcap
- $7.8K
- Evidence
- Sparse
- Last
- $199
- PSA8$1191d ·0.0%7d ·0.0%30d ↑16.4%
- Pop
- 12
- Mcap
- $1.4K
- Evidence
- Moderate
- Last
- $146
| PSA10 | $423 | 90 | $38.1K | ↑up 1.0% | ↑up 5.1% | ↑up 29.8% | ↑up 35.3% | Sparse | $2971mo ago |
| PSA9 | $162 | 48 | $7.8K | ↓down 0.2% | ↓down 1.4% | ↑up 14.1% | ↑up 49.9% | Sparse | $1991mo ago |
| PSA8 | $119 | 12 | $1.4K | 0.0% | 0.0% | ↑up 16.4% | ↑up 58.1% | Moderate | $1462w ago |
| PSA7 | $90 | 5 | $451 | 0.0% | 0.0% | ↑up 7.9% | ↑up 111.3% | Sparse | - |
| PSA6 | $68 | 2 | $136 | 0.0% | 0.0% | 0.0% | ↑up 182.5% | Sparse | $682mo ago |
| Raw | $55 | - | - | - | - | - | - | - | - |
PSA population report
How Dark Slowbro'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.157 graded copies of Dark Slowbro 1st Edition across 5 grades. The selected grade is highlighted.
PSA 10 makes up 57% of graded copies: 90 of 157. It’s the most common grade for this card.
Analysis
Dark Slowbro - 1st Edition at PSA 10 carries a TCGBerg fair value of $423 as of 2026-11-14. We track a TCGBerg fair value across 5 grades from Pokemon Web, from PSA 6 up to PSA 10. A graded population of 90 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 29.8%.