Professor Oak #T77, Unlimited, Expansion Pack
Japanese edition
- Card number: #T77
- ·Rarity: Uncommon
- ·Finish: Non-Holo
A PSA 10 Professor Oak #T77 Unlimited from Expansion Pack has a TCGBerg fair value of $331 as of Nov 14, 2026. TCGBerg has recorded 21 PSA 10 sales of this card, the latest on Oct 13, 2026. PSA has graded 119 copies at PSA 10.
TCGBerg Algorithm (estimated from recorded sales).
- Population · PSA 10
- 119
- Market cap
- $39.3K
- Volatility
- 1.1%
- YTD
- ↑ 170.0%
- Sales evidence
- Moderate
TCGBerg fair value · PSA 10
$331
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, $400 on Oct 13, 2026, sits 21.0% above the $331 fair value. The value weighs 20 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 $339, within 2.4% of the value. Its confidence band runs from $298 to $363. A PSA 10 ($331) is worth 3.5 times a PSA 9 ($94). Over the past 30 days the PSA 10 value has risen 3.3%.
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$3.15Ungraded · market price
- Raw LP$2.50Ungraded · market price
- Raw MP$1.99Ungraded · market price
- Raw HP$1.59Ungraded · market price
- Raw Damaged$1.14Ungraded · 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
20 trackedEach sale against the grade's fair value on the day it sold.
| Date | Grade | Venue | Price | vs fair value |
|---|---|---|---|---|
| Oct 13, 2026 | PSA10 | eBay | $400 | above fair value by +21.4% |
| Oct 12, 2026 | PSA8 | Fanatics Collect | $19 | below fair value by -36.0% |
| Oct 11, 2026 | PSA10 | eBay | $375 | above fair value by +21.7% |
| Oct 5, 2026 | PSA8 | Fanatics Collect | $35 | below fair value by -1.2% |
| Oct 4, 2026 | PSA10 | eBay | $342 | above fair value by +14.8% |
- $400Oct 13, 2026 · via eBayPSA10↑above fair value by 21.4%
- $19Oct 12, 2026 · via Fanatics CollectPSA8↓below fair value by 36.0%
- $375Oct 11, 2026 · via eBayPSA10↑above fair value by 21.7%
- $35Oct 5, 2026 · via Fanatics CollectPSA8↓below fair value by 1.2%
- $342Oct 4, 2026 · via eBayPSA10↑above fair value by 14.8%
| Sep 30, 2026 | PSA8 | eBay | $37 | below fair value by -7.8% |
| Sep 30, 2026 | PSA9 | eBay | $90 | below fair value by -5.9% |
| Sep 25, 2026 | PSA10 | eBay | $271 | below fair value by -5.3% |
- $37PSA8↓below fair value by 7.8%
- $90PSA9↓below fair value by 5.9%
- $271PSA10↓below fair value by 5.3%
15 more sales with Pro
Up to 20 recent sales, each with its venue and its gap to fair value.
↓Includes a sale 62.4% 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.
- CGC6$131d ↓2.6%7d ↓2.6%30d -
- Pop
- -
- Mcap
- -
- Evidence
- Sparse
- Last
- -
- PSA10$3311d ↑0.1%7d ↓0.2%30d ↑3.3%
- Pop
- 119
- Mcap
- $39.3K
- Evidence
- Moderate
- Last
- $400
- PSA9$941d ↓0.5%7d ↓1.1%30d ↓0.7%
- Pop
- 139
- Mcap
- $13.0K
- Evidence
- Moderate
- Last
- $90
| CGC6 | $13 | - | - | ↓down 2.6% | ↓down 2.6% | - | - | Sparse | - |
| PSA10 | $331 | 119 | $39.3K | ↑up 0.1% | ↓down 0.2% | ↑up 3.3% | ↑up 3.3% | Moderate | $4001mo ago |
| PSA9 | $94 | 139 | $13.0K | ↓down 0.5% | ↓down 1.1% | ↓down 0.7% | ↑up 2.9% | Moderate | $902mo ago |
| PSA8 | $34 | 43 | $1.5K | ↑up 0.1% | ↑up 0.7% | ↑up 14.9% | ↓down 13.0% | Moderate | $191mo ago |
| PSA7 | $28 | 13 | $359 | 0.0% | ↑up 0.1% | ↓down 3.3% | ↓down 27.9% | Limited | $272mo ago |
| PSA6 | $20 | 6 | $118 | 0.0% | 0.0% | ↓down 0.9% | ↓down 4.0% | Sparse | - |
| PSA5 | $17 | 6 | - | 0.0% | ↓down 0.1% | ↑up 1.5% | ↑up 49.3% | Sparse | $133mo ago |
| Raw | $3.15 | - | - | 0.0% | ↓down 0.9% | ↓down 1.6% | ↓down 0.6% | - | - |
Graded population report
How Professor Oak'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.328 graded copies of Professor Oak Unlimited across 8 grades. The selected grade is highlighted.
PSA 10 makes up 36% of graded copies: 119 of 328. PSA 9 is the most common grade (42%).
Analysis
Professor Oak - Unlimited at PSA 10 carries a TCGBerg fair value of $331 as of 2026-11-14. We track a TCGBerg fair value across 7 grades from Expansion Pack, from CGC 6 up to PSA 10. A graded population of 119 copies sits behind the PSA 10 grade. The PSA 10 valuation rests on moderate sales evidence. Over the past 30 days, the PSA 10 TCGBerg fair value has risen 3.3%.