Cloyster #91, Normal, Japanese Topsun
Japanese edition
- Card number: #91
- ·Rarity: Common
- ·Finish: Non-Holo
A PSA 10 Cloyster #91 Normal from Japanese Topsun has a TCGBerg fair value of $462 as of Nov 15, 2026. It rests on 13 recorded sales, the latest on Jul 27, 2026. PSA has graded 25 copies at PSA 10. Sales evidence is sparse, so treat this value as a rough estimate.
TCGBerg Algorithm (estimated from recorded sales).
13 sales · latest Jul 27, 2026
- Population · PSA 10
- 25
- Market cap
- $11.5K
- Volatility
- 1.9%
- YTD
- ↑ 103.2%
- Sales evidence
- Sparse
TCGBerg fair value · PSA 10
$462
Based on 13 recorded sales. Latest sale: Jul 27, 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, $264 on Jul 27, 2026, sits 42.8% below the $462 fair value. The value rests on 13 recorded PSA 10 sales. Its confidence band runs from $392 to $532. A PSA 10 ($462) is worth 4.9 times a PSA 9 ($94). Over the past 30 days the PSA 10 value has risen 2.2%. 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
10 trackedEach sale against the grade's fair value on the day it sold.
| Date | Grade | Venue | Price | vs fair value |
|---|---|---|---|---|
| Oct 22, 2026 | PSA7 | eBay | $30 | below fair value by -5.2% |
| Oct 12, 2026 | PSA8 | eBay | $31 | below fair value by -45.4% |
| Oct 7, 2026 | PSA4 | eBay | $25 | - |
| Sep 26, 2026 | PSA9 | eBay | $125 | above fair value by +22.1% |
| Sep 21, 2026 | PSA4 | eBay | $14 | - |
- $30Oct 22, 2026 · via eBayPSA7↓below fair value by 5.2%
- $31Oct 12, 2026 · via eBayPSA8↓below fair value by 45.4%
- $25Oct 7, 2026 · via eBayPSA4-
- $125Sep 26, 2026 · via eBayPSA9↑above fair value by 22.1%
- $14Sep 21, 2026 · via eBayPSA4-
| Jul 27, 2026 | PSA10 | Fanatics Collect | $264 | below fair value by -9.0% |
| May 24, 2026 | PSA7 | eBay | $22 | below fair value by -15.7% |
| Apr 13, 2026 | PSA10 | eBay | $251 | below fair value by -1.9% |
- $264PSA10↓below fair value by 9.0%
- $22PSA7↓below fair value by 15.7%
- $251PSA10↓below fair value by 1.9%
5 more sales with Pro
Up to 20 recent sales, each with its venue and its gap to fair value.
↓Includes a sale 15.7% 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$4621d ↓0.2%7d ↓0.7%30d ↑2.2%
- Pop
- 25
- Mcap
- $11.5K
- Evidence
- Sparse
- Last
- $264
- PSA9$941d ·0.0%7d ↑0.1%30d ↓7.8%
- Pop
- 17
- Mcap
- $1.6K
- Evidence
- Sparse
- Last
- $125
- PSA8$371d ·0.0%7d ·0.0%30d ↓35.4%
- Pop
- 13
- Mcap
- $481
- Evidence
- Limited
- Last
- $31
| PSA10 | $462 | 25 | $11.5K | ↓down 0.2% | ↓down 0.7% | ↑up 2.2% | ↑up 52.7% | Sparse | $2644mo ago |
| PSA9 | $94 | 17 | $1.6K | 0.0% | ↑up 0.1% | ↓down 7.8% | ↑up 44.7% | Sparse | $1252mo ago |
| PSA8 | $37 | 13 | $481 | 0.0% | 0.0% | ↓down 35.4% | ↓down 5.0% | Limited | $311mo ago |
| PSA7 | $32 | 15 | $479 | 0.0% | ↑up 0.1% | ↓down 19.3% | ↓down 1.3% | Sparse | $303w ago |
| PSA6 | $30 | 3 | $90 | 0.0% | 0.0% | ↓down 2.0% | ↑up 11.4% | Sparse | - |
| PSA5 | $29 | 7 | - | 0.0% | 0.0% | ↓down 1.8% | ↑up 30.6% | Sparse | - |
PSA population report
How Cloyster'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.80 graded copies of Cloyster Normal across 6 grades. The selected grade is highlighted.
PSA 10 makes up 31% of graded copies: 25 of 80. It’s the most common grade for this card.
Analysis
Cloyster - Green Back at PSA 10 carries a TCGBerg fair value of $462 as of 2026-11-14. We track a TCGBerg fair value across 6 grades from Japanese Topsun, from PSA 5 up to PSA 10. A graded population of 25 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 2.2%.