Blastoise EX #021, 1st Edition, Expansion Pack 20th Anniversary
Japanese edition
- Card number: #021/87
- ·Finish: Non-Holo
A PSA 10 Blastoise EX #021 1st Edition from Expansion Pack 20th Anniversary has a TCGBerg fair value of $85 as of Nov 15, 2026. TCGBerg has recorded 28 PSA 10 sales of this card, the latest on Oct 29, 2026. PSA has graded 352 copies at PSA 10.
TCGBerg Algorithm (estimated from recorded sales).
- Population · PSA 10
- 352
- Market cap
- $29.9K
- Volatility
- 5.4%
- YTD
- ↑ 24.2%
- Sales evidence
- Strong
TCGBerg fair value · PSA 10
$85
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 latest recorded PSA 10 sale ($230 on Oct 29, 2026) sits 170.9% above the $85 fair value, too far off to read as this grade's price. The value weighs 27 PSA 10 sales from the past year, not the latest one alone. The latest sale ran above the recent run: the last 5 PSA 10 sales averaged $113, within 33.1% of the value. Its confidence band runs from $80 to $89. A PSA 10 ($85) is worth 2.3 times a PSA 9 ($37). Over the past 30 days the PSA 10 value has fallen 2.4%.
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 |
|---|---|---|---|---|
| Oct 29, 2026 | PSA10 | eBay | $230 | above fair value by +128.4% |
| Oct 25, 2026 | PSA9 | eBay | $40 | above fair value by +16.2% |
| Sep 30, 2026 | PSA10 | eBay | $69 | below fair value by -20.2% |
| Sep 21, 2026 | PSA10 | eBay | $96 | above fair value by +6.6% |
| Sep 21, 2026 | PSA10 | eBay | $95 | above fair value by +5.4% |
- $230Oct 29, 2026 · via eBayPSA10↑above fair value by 128.4%
- $40Oct 25, 2026 · via eBayPSA9↑above fair value by 16.2%
- $69Sep 30, 2026 · via eBayPSA10↓below fair value by 20.2%
- $96Sep 21, 2026 · via eBayPSA10↑above fair value by 6.6%
- $95Sep 21, 2026 · via eBayPSA10↑above fair value by 5.4%
| Sep 14, 2026 | Raw | tcgplayer | $14 | below fair value by -2.4% |
| Sep 3, 2026 | PSA9 | eBay | $23 | below fair value by -14.5% |
| Aug 28, 2026 | PSA10 | eBay | $75 | below fair value by -17.1% |
- $14Raw↓below fair value by 2.4%
- $23PSA9↓below fair value by 14.5%
- $75PSA10↓below fair value by 17.1%
15 more sales with Pro
Up to 20 recent sales, each with its venue and its gap to fair value.
↓Includes a sale 33.6% 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$851d ↓4.9%7d ↓5.4%30d ↓2.4%
- Pop
- 352
- Mcap
- $29.9K
- Evidence
- Strong
- Last
- $230
- PSA9$371d ·0.0%7d ↑0.2%30d ↑45.2%
- Pop
- 73
- Mcap
- $2.7K
- Evidence
- Moderate
- Last
- $40
- PSA8$291d ·0.0%7d ↑0.1%30d ↑11.6%
- Pop
- 5
- Mcap
- $144
- Evidence
- Sparse
- Last
- $22
| PSA10 | $85 | 352 | $29.9K | ↓down 4.9% | ↓down 5.4% | ↓down 2.4% | ↓down 8.4% | Strong | $2302w ago |
| PSA9 | $37 | 73 | $2.7K | 0.0% | ↑up 0.2% | ↑up 45.2% | ↑up 36.4% | Moderate | $403w ago |
| PSA8 | $29 | 5 | $144 | 0.0% | ↑up 0.1% | ↑up 11.6% | ↑up 22.9% | Sparse | $2212mo ago |
| PSA7 | $29 | 1 | $29 | 0.0% | ↑up 0.1% | ↑up 11.6% | ↑up 22.9% | Sparse | - |
| PSA6 | $29 | 2 | $57 | 0.0% | ↑up 0.1% | ↑up 11.6% | ↑up 22.9% | Sparse | - |
| PSA5 | $29 | 1 | - | 0.0% | ↑up 0.1% | ↑up 11.6% | ↑up 22.9% | Sparse | - |
| Raw | - | - | - | - | - | - | - | - | $142mo ago |
PSA population report
How Blastoise EX'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.434 graded copies of Blastoise EX 1st Edition across 6 grades. The selected grade is highlighted.
PSA 10 makes up 81% of graded copies: 352 of 434. It’s the most common grade for this card.
Analysis
Blastoise EX - 1st Edition at PSA 10 carries a TCGBerg fair value of $85 as of 2026-11-14. We track a TCGBerg fair value across 6 grades from Expansion Pack 20th Anniversary, from PSA 8 up to PSA 10. A graded population of 352 copies sits behind the PSA 10 grade. The PSA 10 valuation rests on strong sales evidence. Over the past 30 days, the PSA 10 TCGBerg fair value has fallen 2.4%.