Dewgong #24, 1st Edition, Mysterious Mountains
Japanese edition
- Card number: #24/88
- ·Rarity: Rare
- ·Finish: Non-Holo
A PSA 10 Dewgong #24 1st Edition from Mysterious Mountains has a TCGBerg fair value of $257 as of Nov 15, 2026. It rests on 9 recorded sales, the latest on Nov 10, 2026. PSA has graded 19 copies at PSA 10. Sales evidence is limited, so treat this value as a rough estimate.
TCGBerg Algorithm (estimated from recorded sales).
9 sales · latest Nov 10, 2026
- Population · PSA 10
- 19
- Market cap
- $4.9K
- Volatility
- 2.2%
- YTD
- ↑ 189.1%
- Sales evidence
- Limited
TCGBerg fair value · PSA 10
$257
Based on 9 recorded sales. Latest sale: Nov 10, 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, $225 on Nov 10, 2026, sits 12.8% below the $257 fair value. The value rests on 9 recorded PSA 10 sales. Its confidence band runs from $213 to $302. A PSA 10 ($257) is worth 4.9 times a PSA 9 ($52). Over the past 30 days the PSA 10 value has risen 3.3%. With limited 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$20Ungraded · market price
- Raw Damaged$20Ungraded · 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
10 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 | $225 | below fair value by -12.8% |
| Oct 10, 2026 | PSA9 | eBay | $55 | above fair value by +11.4% |
| Oct 4, 2026 | PSA10 | eBay | $221 | below fair value by -5.0% |
| Sep 30, 2026 | PSA9 | eBay | $45 | below fair value by -9.1% |
| Aug 6, 2026 | PSA8 | eBay | $27 | below fair value by -7.8% |
- $225Nov 10, 2026 · via eBayPSA10↓below fair value by 12.8%
- $55Oct 10, 2026 · via eBayPSA9↑above fair value by 11.4%
- $221Oct 4, 2026 · via eBayPSA10↓below fair value by 5.0%
- $45Sep 30, 2026 · via eBayPSA9↓below fair value by 9.1%
- $27Aug 6, 2026 · via eBayPSA8↓below fair value by 7.8%
| Jul 29, 2026 | PSA9 | Fanatics Collect | $48 | above fair value by +12.6% |
| May 23, 2026 | PSA8 | eBay | $23 | below fair value by -3.6% |
| Apr 2, 2026 | PSA10 | eBay | $170 | above fair value by +4.5% |
- $48PSA9↑above fair value by 12.6%
- $23PSA8↓below fair value by 3.6%
- $170PSA10↑above fair value by 4.5%
5 more sales with Pro
Up to 20 recent sales, each with its venue and its gap to fair value.
↓Includes a sale 12.8% 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$2571d ↑3.1%7d ↑3.1%30d ↑3.3%
- Pop
- 19
- Mcap
- $4.9K
- Evidence
- Limited
- Last
- $225
- PSA9$521d ↑1.0%7d ↑1.0%30d ↑0.7%
- Pop
- 11
- Mcap
- $577
- Evidence
- Moderate
- Last
- $55
- PSA8$361d ↑0.2%7d ↑0.3%30d ↓3.4%
- Pop
- 5
- Mcap
- $181
- Evidence
- Sparse
- Last
- $27
| PSA10 | $257 | 19 | $4.9K | ↑up 3.1% | ↑up 3.1% | ↑up 3.3% | ↑up 14.2% | Limited | $2255d ago |
| PSA9 | $52 | 11 | $577 | ↑up 1.0% | ↑up 1.0% | ↑up 0.7% | ↑up 20.2% | Moderate | $551mo ago |
| PSA8 | $36 | 5 | $181 | ↑up 0.2% | ↑up 0.3% | ↓down 3.4% | ↑up 20.7% | Sparse | $273mo ago |
| PSA7 | $32 | 2 | $64 | 0.0% | 0.0% | ↑up 5.5% | ↑up 6.2% | Sparse | - |
| PSA6 | $24 | 0 | - | ↑up 5.9% | ↑up 2.4% | ↓down 11.3% | ↑up 4.8% | Sparse | - |
| Raw | $20 | - | - | - | - | - | - | - | - |
PSA population report
How Dewgong'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.37 graded copies of Dewgong 1st Edition across 4 grades. The selected grade is highlighted.
PSA 10 makes up 51% of graded copies: 19 of 37. It’s the most common grade for this card.
Analysis
Dewgong - 1st Edition Normal at PSA 10 carries a TCGBerg fair value of $257 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 19 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 risen 3.3%.