Sis & Bro Kat & Kitt #A020, Normal, Pokemon Battle e FireRed & LeafGreen
Japanese edition
- Card number: #A020
- ·Finish: Non-Holo
A PSA 10 Sis & Bro Kat & Kitt #A020 Normal from Pokemon Battle e FireRed & LeafGreen has a TCGBerg fair value of $171 as of Nov 15, 2026. TCGBerg has recorded 9 PSA 10 sales of this card, the latest on Sep 28, 2026. PSA has graded 52 copies at PSA 10.
TCGBerg Algorithm (estimated from recorded sales).
- Population · PSA 10
- 52
- Market cap
- $8.9K
- Volatility
- 1.9%
- YTD
- ↑ 67.7%
- Sales evidence
- Moderate
TCGBerg fair value · PSA 10
$171
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, $120 on Sep 28, 2026, sits 29.7% below the $171 fair value. The value weighs 8 PSA 10 sales from the past year, not the latest one alone. Its confidence band runs from $162 to $179. A PSA 10 ($171) is worth 4.3 times a PSA 9 ($39). Over the past 30 days the PSA 10 value has risen 1.9%.
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 14, 2026 | PSA9 | eBay | $60 | above fair value by +42.9% |
| Sep 28, 2026 | PSA10 | eBay | $120 | below fair value by -21.3% |
| Aug 19, 2026 | PSA8 | eBay | $45 | above fair value by +5.4% |
| Apr 24, 2026 | PSA10 | eBay | $100 | below fair value by -11.0% |
| Feb 8, 2026 | PSA10 | eBay | $61 | below fair value by -24.7% |
- $60Oct 14, 2026 · via eBayPSA9↑above fair value by 42.9%
- $120Sep 28, 2026 · via eBayPSA10↓below fair value by 21.3%
- $45Aug 19, 2026 · via eBayPSA8↑above fair value by 5.4%
- $100Apr 24, 2026 · via eBayPSA10↓below fair value by 11.0%
- $61Feb 8, 2026 · via eBayPSA10↓below fair value by 24.7%
| Feb 1, 2026 | PSA10 | eBay | $71 | below fair value by -23.9% |
| Jan 25, 2026 | PSA10 | eBay | $190 | above fair value by +48.8% |
| Jan 22, 2026 | PSA10 | eBay | $83 | below fair value by -35.1% |
- $71PSA10↓below fair value by 23.9%
- $190PSA10↑above fair value by 48.8%
- $83PSA10↓below fair value by 35.1%
6 more sales with Pro
Up to 20 recent sales, each with its venue and its gap to fair value.
↓Includes a sale 35.1% 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$1711d ·0.0%7d ·0.0%30d ↑1.9%
- Pop
- 52
- Mcap
- $8.9K
- Evidence
- Moderate
- Last
- $120
- PSA9$391d ·0.0%7d ·0.0%30d ↓9.8%
- Pop
- 21
- Mcap
- $828
- Evidence
- Moderate
- Last
- $60
- PSA8$361d ·0.0%7d ·0.0%30d ↓2.1%
- Pop
- 8
- Mcap
- $287
- Evidence
- Limited
- Last
- $45
| PSA10 | $171 | 52 | $8.9K | 0.0% | 0.0% | ↑up 1.9% | ↓down 7.3% | Moderate | $1202mo ago |
| PSA9 | $39 | 21 | $828 | 0.0% | 0.0% | ↓down 9.8% | ↑up 5.6% | Moderate | $601mo ago |
| PSA8 | $36 | 8 | $287 | 0.0% | 0.0% | ↓down 2.1% | ↓down 2.0% | Limited | $453mo ago |
| PSA7 | $31 | 2 | $61 | 0.0% | 0.0% | ↓down 2.5% | ↑up 47.1% | Sparse | - |
| PSA6 | $12 | 0 | - | ↓down 25.9% | ↓down 23.3% | ↓down 36.1% | ↓down 29.5% | Sparse | - |
PSA population report
How Sis & Bro Kat & Kitt'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.83 graded copies of Sis & Bro Kat & Kitt Normal across 4 grades. The selected grade is highlighted.
PSA 10 makes up 63% of graded copies: 52 of 83. It’s the most common grade for this card.
Analysis
Sis & Bro Kat & Kitt - Blastoise (Blue) at PSA 10 carries a TCGBerg fair value of $171 as of 2026-11-14. We track a TCGBerg fair value across 5 grades from Pokemon Battle e FireRed & LeafGreen, from PSA 6 up to PSA 10. A graded population of 52 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 1.9%.