Mantine #31, 1st Edition, Rocket Gang Strikes Back
Japanese edition
- Card number: #31
- ·Rarity: Rare
- ·Finish: Non-Holo
A PSA 10 Mantine #31 1st Edition from Rocket Gang Strikes Back has a TCGBerg fair value of $216 as of Nov 15, 2026. It rests on 2 recorded sales, the latest on Sep 9, 2026. PSA has graded 3 copies at PSA 10. Sales evidence is sparse, so treat this value as a rough estimate.
TCGBerg Algorithm (estimated from recorded sales).
2 sales · latest Sep 9, 2026
- Population · PSA 10
- 3
- Market cap
- $649
- Volatility
- 3.3%
- YTD
- ↑ 328.2%
- Sales evidence
- Sparse
TCGBerg fair value · PSA 10
$216
Based on 2 recorded sales. Latest sale: Sep 9, 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, $145 on Sep 9, 2026, sits 32.8% below the $216 fair value. The value rests on 2 recorded PSA 10 sales. The latest sale ran below the recent run: the last 2 PSA 10 sales averaged $238, within 9.8% of the value. Its confidence band runs from $172 to $261. A PSA 10 ($216) is worth 6.1 times a PSA 9 ($35). Over the past 30 days the PSA 10 value has risen 21.2%. 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.
- Raw NM$8.00Ungraded · market price
- Raw LP$8.00Ungraded · 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
3 trackedEach sale against the grade's fair value on the day it sold.
| Date | Grade | Venue | Price | vs fair value |
|---|---|---|---|---|
| Sep 9, 2026 | PSA10 | eBay | $145 | above fair value by +20.2% |
| Jul 24, 2026 | PSA10 | eBay | $330 | above fair value by +231.9% |
| May 28, 2026 | Raw | tcgplayer | $8.00 | at fair value by 0.0% |
- $145Sep 9, 2026 · via eBayPSA10↑above fair value by 20.2%
- $330Jul 24, 2026 · via eBayPSA10↑above fair value by 231.9%
- $8.00May 28, 2026 · via tcgplayerRaw·at fair value by 0.0%
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$2161d ·0.0%7d ↑0.2%30d ↑21.2%
- Pop
- 3
- Mcap
- $649
- Evidence
- Sparse
- Last
- $145
- PSA9$351d ·0.0%7d ·0.0%30d ↑1.3%
- Pop
- 3
- Mcap
- $106
- Evidence
- Sparse
- Last
- -
- PSA8$171d ·0.0%7d ·0.0%30d ↓1.9%
- Pop
- 1
- Mcap
- $17
- Evidence
- Sparse
- Last
- -
| PSA10 | $216 | 3 | $649 | 0.0% | ↑up 0.2% | ↑up 21.2% | ↑up 120.4% | Sparse | $1452mo ago |
| PSA9 | $35 | 3 | $106 | 0.0% | 0.0% | ↑up 1.3% | ↑up 22.8% | Sparse | - |
| PSA8 | $17 | 1 | $17 | 0.0% | 0.0% | ↓down 1.9% | ↓down 30.4% | Sparse | - |
| PSA7 | $17 | 0 | - | 0.0% | 0.0% | ↓down 1.9% | ↓down 30.4% | Sparse | - |
| PSA6 | $15 | 0 | - | ↑up 6.7% | ↑up 31.3% | ↑up 4.8% | ↓down 36.5% | Sparse | - |
| Raw | $8.00 | - | - | 0.0% | 0.0% | 0.0% | 0.0% | - | $8.006mo ago |
PSA population report
How Mantine'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.7 graded copies of Mantine 1st Edition across 3 grades. The selected grade is highlighted.
PSA 10 makes up 43% of graded copies: 3 of 7. It’s the most common grade for this card.
Analysis
Mantine - 1st Edition Normal at PSA 10 carries a TCGBerg fair value of $216 as of 2026-11-14. We track a TCGBerg fair value across 5 grades from Rocket Gang Strikes Back, from PSA 6 up to PSA 10. A graded population of 3 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 21.2%.