Grimer #88, Normal, Japanese Topsun
Japanese edition
- Card number: #88
- ·Rarity: Common
- ·Finish: Non-Holo
A PSA 10 Grimer #88 Normal from Japanese Topsun has a TCGBerg fair value of $746 as of Nov 14, 2026. It rests on 4 recorded sales, the latest on Jun 28, 2026. PSA has graded 10 copies at PSA 10. Sales evidence is sparse, so treat this value as a rough estimate.
TCGBerg Algorithm (estimated from recorded sales).
4 sales · latest Jun 28, 2026
- Population · PSA 10
- 10
- Market cap
- $7.5K
- Volatility
- 0.7%
- YTD
- ↑ 72.7%
- Sales evidence
- Sparse
TCGBerg fair value · PSA 10
$746
Based on 4 recorded sales. Latest sale: Jun 28, 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 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, $426 on Jun 28, 2026, sits 42.9% below the $746 fair value. The value rests on 4 recorded PSA 10 sales. The latest sale ran below the recent run: the last 3 PSA 10 sales averaged $601, within 19.4% of the value. Its confidence band runs from $559 to $932. A PSA 10 ($746) is worth 7.3 times a PSA 9 ($103). Over the past 30 days the PSA 10 value has fallen 0.3%. With sparse 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
8 trackedEach sale against the grade's fair value on the day it sold.
| Date | Grade | Venue | Price | vs fair value |
|---|---|---|---|---|
| Nov 2, 2026 | PSA9 | Fanatics Collect | $53 | below fair value by -48.5% |
| Oct 13, 2026 | PSA8 | eBay | $80 | above fair value by +32.6% |
| Oct 3, 2026 | PSA6 | eBay | $49 | above fair value by +6.6% |
| Sep 14, 2026 | PSA9 | Fanatics Collect | $106 | above fair value by +12.3% |
| Sep 14, 2026 | PSA9 | Fanatics Collect | $103 | above fair value by +9.7% |
- $53Nov 2, 2026 · via Fanatics CollectPSA9↓below fair value by 48.5%
- $80Oct 13, 2026 · via eBayPSA8↑above fair value by 32.6%
- $49Oct 3, 2026 · via eBayPSA6↑above fair value by 6.6%
- $106Sep 14, 2026 · via Fanatics CollectPSA9↑above fair value by 12.3%
- $103Sep 14, 2026 · via Fanatics CollectPSA9↑above fair value by 9.7%
| Jun 28, 2026 | PSA10 | eBay | $426 | below fair value by -11.8% |
| Apr 12, 2026 | PSA10 | Fanatics Collect | $1,299 | above fair value by +22.2% |
| Mar 9, 2026 | PSA10 | Fanatics Collect | $300 | below fair value by -7.7% |
- $426PSA10↓below fair value by 11.8%
- $1,299PSA10↑above fair value by 22.2%
- $300PSA10↓below fair value by 7.7%
3 more sales with Pro
Up to 20 recent sales, each with its venue and its gap to fair value.
↓Includes a sale 11.8% 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.
- PSA10$7461d ·0.0%7d ↑0.4%30d ↓0.3%
- Pop
- 10
- Mcap
- $7.5K
- Evidence
- Sparse
- Last
- $426
- PSA9$1031d ·0.0%7d ↑0.1%30d ↑4.8%
- Pop
- 25
- Mcap
- $2.6K
- Evidence
- Moderate
- Last
- $53
- PSA8$661d ↓0.1%7d ↓0.3%30d ↑9.2%
- Pop
- 18
- Mcap
- $1.2K
- Evidence
- Sparse
- Last
- $80
| PSA10 | $746 | 10 | $7.5K | 0.0% | ↑up 0.4% | ↓down 0.3% | ↑up 41.4% | Sparse | $4265mo ago |
| PSA9 | $103 | 25 | $2.6K | 0.0% | ↑up 0.1% | ↑up 4.8% | ↑up 25.4% | Moderate | $532w ago |
| PSA8 | $66 | 18 | $1.2K | ↓down 0.1% | ↓down 0.3% | ↑up 9.2% | ↑up 45.3% | Sparse | $801mo ago |
| PSA7 | $43 | 10 | $432 | 0.0% | 0.0% | ↓down 3.7% | ↑up 19.6% | Sparse | $201y ago |
| PSA6 | $41 | 7 | $284 | 0.0% | ↑up 0.4% | ↓down 9.2% | ↑up 12.4% | Sparse | $491mo ago |
PSA population report
How Grimer'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.70 graded copies of Grimer Normal across 5 grades. The selected grade is highlighted.
PSA 10 makes up 14% of graded copies: 10 of 70. PSA 9 is the most common grade (36%).
Analysis
Grimer - Green Back at PSA 10 carries a TCGBerg fair value of $746 as of 2026-11-14. We track a TCGBerg fair value across 5 grades from Japanese Topsun, from PSA 6 up to PSA 10. A graded population of 10 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 0.3%.