Blastoise #31, Normal, Black & White - Boundaries Crossed
- Card number: #31/149
- Rarity: Rare
- Finish: Non-Holo
A PSA 9 Blastoise #31 Normal from Black & White - Boundaries Crossed has a TCGBerg fair value of $450 as of Nov 14, 2026. It rests on 30 recorded sales, the latest on Oct 24, 2026. PSA has graded 104 copies at PSA 9. Sales evidence is limited, so treat this value as a rough estimate.
TCGBerg Algorithm (estimated from recorded sales).
30 sales · latest Oct 24, 2026
- Population · PSA 9
- 104
- Market cap
- $46.8K
- Volatility
- 8.5%
- YTD
- ↑ 571.2%
- Sales evidence
- Limited
TCGBerg fair value · PSA 9
$450
Based on 30 recorded sales. Latest sale: Oct 24, 2026.
Price history
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.
What the evidence says
The latest recorded PSA 9 sale ($800 on Oct 24, 2026) sits 77.7% above the $450 fair value, too far off to read as this grade's price. The value rests on 30 recorded PSA 9 sales. The latest sale ran above the recent run: the last 5 PSA 9 sales averaged $450, in line with the value. Its confidence band runs from $399 to $527. A PSA 10 ($8,304) is worth 18.4 times a PSA 9 ($450). With limited sales evidence, read the gap and the band as rough guides.
TCGBerg fair value by grade
Value at each grade and ungraded condition. Log scale. Tap a row to switch the whole page.
- Raw NM$22Ungraded · TCGBerg fair value
- Raw LP$14Ungraded · TCGBerg fair value
- Raw MP$9.31Ungraded · TCGBerg fair value
- Raw Damaged$5.93Ungraded · TCGBerg fair value
- Raw HP$4.55Ungraded · TCGBerg fair value
Behind the scenes
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.
- $76Nov 10, 2026 · via eBayabove fair value by 46.8%
- $50Nov 2, 2026 · via eBayabove fair value by 23.2%
- $50Nov 2, 2026 · via Fanatics Collectbelow fair value by 3.0%
- $800Oct 24, 2026 · via eBayabove fair value by 85.9%
- $50Oct 16, 2026 · via Fanatics Collectbelow fair value by 2.2%
15 more sales with Pro
Up to 20 recent sales, each with its venue and its gap to fair value.
Includes a sale 52.8% 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.
- $8,3041d 0.0%7d 0.0%30d 67.4%
- Pop
- 15
- Mcap
- $124.6K
- Evidence
- Sparse
- Last
- $10,500
- $4501d 0.0%7d 0.7%30d 26.0%
- Pop
- 104
- Mcap
- $46.8K
- Evidence
- Limited
- Last
- $800
- $1251d 0.0%7d 0.5%30d 24.9%
- Pop
- 51
- Mcap
- $6.4K
- Evidence
- Limited
- Last
- $130
| Listings | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| $8,304 | 15 | $124.6K | 0.0% | 0.0% | up 67.4% | up 315.8% | Sparse | $10,5001mo ago | ||
| $450 | 104 | $46.8K | 0.0% | up 0.7% | up 26.0% | up 195.6% | Limited | $8003w ago | ||
| $125 | 51 | $6.4K | 0.0% | up 0.5% | up 24.9% | up 118.3% | Limited | $1301mo ago | ||
| $52 | 27 | $1.4K | 0.0% | up 0.5% | down 0.8% | up 38.9% | Moderate | $764d ago | ||
| $41 | 17 | $691 | 0.0% | up 0.1% | up 4.1% | up 61.3% | Sparse | $502w ago | ||
| $38 | 6 | - | 0.0% | 0.0% | up 3.9% | up 50.8% | Sparse | $222y ago | ||
| Raw | $22 | - | - | - | down 0.5% | down 2.8% | - | Strong | $261mo ago |
PSA population report
220 graded copies of Blastoise Normal across 6 grades. The selected grade is highlighted.
PSA 9 makes up 47% of graded copies: 104 of 220. It’s the most common grade for this card.
Analysis
Blastoise - Normal at PSA 10 carries a TCGBerg fair value of $8,304 as of 2026-11-13. We track a TCGBerg fair value across 6 grades from Black & White - Boundaries Crossed, from PSA 5 up to PSA 10. A graded population of 15 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 67.4%.