Blastoise #2, "Stage" Error, Base Set
- Card number: #2/102
- ·Rarity: Rare
- ·Finish: Holo
A PSA 8 Blastoise #2 "Stage" Error from Base Set has a TCGBerg fair value of $494 as of Nov 13, 2026. TCGBerg has recorded 12 PSA 8 sales of this card, the latest on Aug 9, 2026. PSA has graded 156 copies at PSA 8.
TCGBerg Algorithm (estimated from recorded sales).
- Population · PSA 8
- 156
- Market cap
- $77.1K
- Volatility
- 1.2%
- YTD
- ↑ 41.1%
- Sales evidence
- Moderate
TCGBerg fair value · PSA 8
$494
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 8. 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 8 sale, $430 on Aug 9, 2026, sits 13.0% below the $494 fair value. The value weighs 12 PSA 8 sales from the past year, not the latest one alone. Its confidence band runs from $465 to $523. A PSA 10 ($15,552) is worth 15.9 times a PSA 9 ($978). Over the past 30 days the PSA 8 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.
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 4, 2026 | PSA1 | eBay | $300 | above fair value by +82.2% |
| Oct 21, 2026 | PSA6 | eBay | $208 | below fair value by -8.9% |
| Oct 18, 2026 | PSA7 | eBay | $330 | below fair value by -0.4% |
| Sep 19, 2026 | PSA1 | eBay | $245 | above fair value by +62.0% |
| Sep 19, 2026 | PSA4 | eBay | $175 | above fair value by +10.9% |
- $300Nov 4, 2026 · via eBayPSA1↑above fair value by 82.2%
- $208Oct 21, 2026 · via eBayPSA6↓below fair value by 8.9%
- $330Oct 18, 2026 · via eBayPSA7↓below fair value by 0.4%
- $245Sep 19, 2026 · via eBayPSA1↑above fair value by 62.0%
- $175Sep 19, 2026 · via eBayPSA4↑above fair value by 10.9%
| Sep 17, 2026 | PSA5 | eBay | $218 | above fair value by +4.5% |
| Sep 13, 2026 | PSA9 | eBay | $816 | below fair value by -14.9% |
| Sep 10, 2026 | PSA9 | eBay | $1,000 | above fair value by +4.3% |
- $218PSA5↑above fair value by 4.5%
- $816PSA9↓below fair value by 14.9%
- $1,000PSA9↑above fair value by 4.3%
15 more sales with Pro
Up to 20 recent sales, each with its venue and its gap to fair value.
↓Includes a sale 14.9% 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$15,5521d ·0.0%7d ·0.0%30d ↓1.9%
- Pop
- 6
- Mcap
- $93.3K
- Evidence
- Sparse
- Last
- $17,700
- PSA9$9781d ↑0.1%7d ↑1.9%30d ↑2.8%
- Pop
- 117
- Mcap
- $114.4K
- Evidence
- Moderate
- Last
- $816
- PSA8$4941d ↓0.2%7d ↓3.6%30d ↓1.2%
- Pop
- 156
- Mcap
- $77.1K
- Evidence
- Moderate
- Last
- $430
| PSA10 | $15,552 | 6 | $93.3K | 0.0% | 0.0% | ↓down 1.9% | ↑up 7.9% | Sparse | $17,7002y ago |
| PSA9 | $978 | 117 | $114.4K | ↑up 0.1% | ↑up 1.9% | ↑up 2.8% | ↑up 1.3% | Moderate | $8162mo ago |
| PSA8 | $494 | 156 | $77.1K | ↓down 0.2% | ↓down 3.6% | ↓down 1.2% | ↑up 2.7% | Moderate | $4303mo ago |
| PSA7 | $349 | 122 | $42.5K | ↑up 0.1% | ↑up 3.2% | ↑up 5.0% | ↓down 2.9% | Moderate | $3304w ago |
| PSA6 | $228 | 109 | $24.8K | ↑up 0.6% | ↑up 0.8% | ↓down 17.2% | ↓down 12.4% | Strong | $2083w ago |
| PSA5 | $210 | 77 | - | ↑up 0.2% | 0.0% | ↓down 0.7% | ↑up 0.4% | Moderate | $2182mo ago |
| PSA4 | $197 | 51 | - | ↑up 0.2% | ↑up 17.3% | ↑up 17.4% | ↓down 0.7% | Limited | $1752mo ago |
| PSA3 | $195 | 21 | - | ↑up 0.3% | ↑up 17.6% | ↑up 21.9% | ↑up 49.0% | Limited | $1404mo ago |
| PSA1 | $193 | 13 | - | ↑up 0.3% | ↑up 17.6% | ↑up 21.9% | ↑up 49.0% | Moderate | $3001w ago |
PSA population report
How Blastoise'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.672 graded copies of Blastoise "Stage" Error across 9 grades. The selected grade is highlighted.
PSA 8 makes up 23% of graded copies: 156 of 672. It’s the most common grade for this card.
Analysis
Blastoise-Holo "Stage" Error - "Stage" Error at PSA 10 carries a TCGBerg fair value of $15,552 as of 2026-11-13. We track a TCGBerg fair value across 9 grades from Base Set, from PSA 1 up to PSA 10. A graded population of 6 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 fallen 1.9%.