Professor Eich #88, 1st Edition, German Base Set
German edition
- Card number: #88/102
- ·Finish: Non-Holo
A PSA 10 Professor Eich #88 1st Edition from German Base Set has a TCGBerg fair value of $122 as of Nov 15, 2026. TCGBerg has recorded 13 PSA 10 sales of this card, the latest on Nov 8, 2026. PSA has graded 164 copies at PSA 10.
TCGBerg Algorithm (estimated from recorded sales).
- Population · PSA 10
- 164
- Market cap
- $20.0K
- Volatility
- 6.1%
- YTD
- ↑ 29.1%
- Sales evidence
- Moderate
TCGBerg fair value · PSA 10
$122
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, $97 on Nov 8, 2026, sits 20.4% below the $122 fair value. The value weighs 13 PSA 10 sales from the past year, not the latest one alone. The latest sale ran below the recent run: the last 5 PSA 10 sales averaged $111, within 8.7% of the value. Its confidence band runs from $114 to $130. A PSA 10 ($122) is worth 2.5 times a PSA 9 ($49). Over the past 30 days the PSA 10 value has fallen 12.4%.
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
19 trackedEach sale against the grade's fair value on the day it sold.
| Date | Grade | Venue | Price | vs fair value |
|---|---|---|---|---|
| Nov 8, 2026 | PSA10 | eBay | $97 | below fair value by -22.1% |
| Nov 3, 2026 | PSA10 | eBay | $115 | below fair value by -7.6% |
| Nov 2, 2026 | PSA10 | eBay | $83 | below fair value by -33.3% |
| Nov 1, 2026 | PSA10 | eBay | $133 | below fair value by -4.0% |
| Oct 18, 2026 | PSA8 | eBay | $39 | below fair value by -24.8% |
- $97Nov 8, 2026 · via eBayPSA10↓below fair value by 22.1%
- $115Nov 3, 2026 · via eBayPSA10↓below fair value by 7.6%
- $83Nov 2, 2026 · via eBayPSA10↓below fair value by 33.3%
- $133Nov 1, 2026 · via eBayPSA10↓below fair value by 4.0%
- $39Oct 18, 2026 · via eBayPSA8↓below fair value by 24.8%
| Oct 17, 2026 | PSA9 | eBay | $46 | below fair value by -10.4% |
| Oct 11, 2026 | PSA10 | eBay | $129 | below fair value by -7.5% |
| Sep 23, 2026 | PSA10 | eBay | $159 | above fair value by +13.2% |
- $46PSA9↓below fair value by 10.4%
- $129PSA10↓below fair value by 7.5%
- $159PSA10↑above fair value by 13.2%
14 more sales with Pro
Up to 20 recent sales, each with its venue and its gap to fair value.
↓Includes a sale 26.3% 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$1221d ↓0.1%7d ↓2.2%30d ↓12.4%
- Pop
- 164
- Mcap
- $20.0K
- Evidence
- Moderate
- Last
- $97
- PSA9$491d ↓0.3%7d ↓2.4%30d ↓31.4%
- Pop
- 122
- Mcap
- $6.0K
- Evidence
- Moderate
- Last
- $46
- PSA8$351d ·0.0%7d ↑0.2%30d ↓33.2%
- Pop
- 29
- Mcap
- $1.0K
- Evidence
- Moderate
- Last
- $39
| PSA10 | $122 | 164 | $20.0K | ↓down 0.1% | ↓down 2.2% | ↓down 12.4% | ↑up 1.9% | Moderate | $971w ago |
| PSA9 | $49 | 122 | $6.0K | ↓down 0.3% | ↓down 2.4% | ↓down 31.4% | ↑up 3.1% | Moderate | $464w ago |
| PSA8 | $35 | 29 | $1.0K | 0.0% | ↑up 0.2% | ↓down 33.2% | ↓down 20.4% | Moderate | $394w ago |
| PSA7 | $35 | 6 | $208 | 0.0% | ↑up 0.2% | ↑up 6.4% | ↑up 32.4% | Sparse | - |
| PSA6 | $26 | 5 | $128 | 0.0% | 0.0% | ↓down 21.1% | ↓down 1.9% | Sparse | $7.001y ago |
| PSA5 | $26 | 1 | - | 0.0% | 0.0% | ↑up 5.2% | ↑up 29.5% | Sparse | - |
PSA population report
How Professor Eich'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.327 graded copies of Professor Eich 1st Edition across 6 grades. The selected grade is highlighted.
PSA 10 makes up 50% of graded copies: 164 of 327. It’s the most common grade for this card.
Analysis
Professor Eich - 1st Edition at PSA 10 carries a TCGBerg fair value of $122 as of 2026-11-14. We track a TCGBerg fair value across 6 grades from German Base Set, from PSA 6 up to PSA 10. A graded population of 164 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 fallen 12.4%.