Blastoise #2, "Illustrator" Error, Base Set
- Card number: #2/102
- ·Rarity: Rare
- ·Finish: Holo
A PSA 6 Blastoise #2 "Illustrator" Error from Base Set has a TCGBerg fair value of $448 as of Nov 14, 2026. It rests on 4 recorded sales, the latest on May 21, 2026. PSA has graded 12 copies at PSA 6. Sales evidence is limited, so treat this value as a rough estimate.
TCGBerg Algorithm (estimated from recorded sales).
4 sales · latest May 21, 2026
- Population · PSA 6
- 12
- Market cap
- $5.4K
- Volatility
- 0.5%
- YTD
- ↑ 11.4%
- Sales evidence
- Limited
TCGBerg fair value · PSA 6
$448
Based on 4 recorded sales. Latest sale: May 21, 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 6. 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 6 sale, $203 on May 21, 2026, sits 54.8% below the $448 fair value. The value rests on 4 recorded PSA 6 sales. The latest sale ran below the recent run: the last 3 PSA 6 sales averaged $399, within 11.1% of the value. Its confidence band runs from $336 to $560. A PSA 10 ($38,060) is worth 9.3 times a PSA 9 ($4,109). Over the past 30 days the PSA 6 value has fallen 1.2%. 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.
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
11 trackedEach sale against the grade's fair value on the day it sold.
| Date | Grade | Venue | Price | vs fair value |
|---|---|---|---|---|
| Oct 5, 2026 | PSA7 | eBay | $901 | above fair value by +34.7% |
| Aug 10, 2026 | PSA9 | Goldin | $3,355 | above fair value by +4.7% |
| Jul 26, 2026 | PSA5 | eBay | $183 | below fair value by -7.0% |
| May 21, 2026 | PSA6 | eBay | $203 | below fair value by -15.2% |
| Apr 25, 2026 | PSA8 | eBay | $1,829 | below fair value by -5.1% |
- $901Oct 5, 2026 · via eBayPSA7↑above fair value by 34.7%
- $3,355Aug 10, 2026 · via GoldinPSA9↑above fair value by 4.7%
- $183Jul 26, 2026 · via eBayPSA5↓below fair value by 7.0%
- $203May 21, 2026 · via eBayPSA6↓below fair value by 15.2%
- $1,829Apr 25, 2026 · via eBayPSA8↓below fair value by 5.1%
| Mar 20, 2026 | PSA10 | Fanatics Collect | $27,900 | above fair value by +3.7% |
| Feb 26, 2026 | PSA5 | eBay | $228 | below fair value by -23.5% |
| Jan 26, 2026 | PSA9 | eBay | $3,717 | below fair value by -21.8% |
- $27,900PSA10↑above fair value by 3.7%
- $228PSA5↓below fair value by 23.5%
- $3,717PSA9↓below fair value by 21.8%
6 more sales with Pro
Up to 20 recent sales, each with its venue and its gap to fair value.
↓Includes a sale 39.6% 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$38,0601d ·0.0%7d ↑0.1%30d ↓6.0%
- Pop
- 1
- Mcap
- $38.1K
- Evidence
- Sparse
- Last
- $27,900
- PSA9$4,1091d ↑0.1%7d ↑0.2%30d ↓0.1%
- Pop
- 3
- Mcap
- $12.3K
- Evidence
- Sparse
- Last
- $3,355
- PSA8$1,6281d ↓0.1%7d ·0.0%30d ↓2.2%
- Pop
- 15
- Mcap
- $24.4K
- Evidence
- Sparse
- Last
- $1,829
| PSA10 | $38,060 | 1 | $38.1K | 0.0% | ↑up 0.1% | ↓down 6.0% | ↑up 2.6% | Sparse | $27,9008mo ago |
| PSA9 | $4,109 | 3 | $12.3K | ↑up 0.1% | ↑up 0.2% | ↓down 0.1% | ↓down 4.1% | Sparse | $3,3553mo ago |
| PSA8 | $1,628 | 15 | $24.4K | ↓down 0.1% | 0.0% | ↓down 2.2% | ↓down 34.6% | Sparse | $1,8297mo ago |
| PSA7 | $614 | 13 | $8.0K | 0.0% | 0.0% | ↓down 6.4% | ↑up 104.4% | Sparse | $9011mo ago |
| PSA6 | $448 | 12 | $5.4K | 0.0% | ↑up 0.1% | ↓down 1.2% | ↑up 90.4% | Limited | $2036mo ago |
| PSA5 | $250 | 9 | - | 0.0% | 0.0% | ↓down 1.0% | ↑up 25.3% | Limited | $1834mo ago |
| PSA1 | $247 | 3 | - | 0.0% | 0.0% | ↓down 1.0% | ↑up 25.3% | Sparse | $2501y 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.56 graded copies of Blastoise "Illustrator" Error across 7 grades. The selected grade is highlighted.
PSA 6 makes up 21% of graded copies: 12 of 56. PSA 8 is the most common grade (27%).
Analysis
Blastoise-Holo "Illustrator" Error - "Illustrator" Error at PSA 10 carries a TCGBerg fair value of $38,060 as of 2026-11-13. We track a TCGBerg fair value across 7 grades from Base Set, from PSA 1 up to PSA 10. A graded population of 1 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 6.0%.