Mamoswine #21, Reverse Holo, DP Stormfront
- Card number: #21/100
- Rarity: Rare
A PSA 7 Mamoswine #21 Reverse Holo from DP Stormfront has a TCGBerg fair value of $30 as of Nov 14, 2026. It rests on 2 recorded sales, the latest on Mar 2, 2026. PSA has graded 2 copies at PSA 7. Sales evidence is sparse, so treat this value as a rough estimate.
TCGBerg Algorithm (estimated from recorded sales).
2 sales · latest Mar 2, 2026
- Population · PSA 7
- 2
- Market cap
- $60
- Volatility
- 1.3%
- YTD
- ↑ 107.1%
- Sales evidence
- Sparse
TCGBerg fair value · PSA 7
$30
Based on 2 recorded sales. Latest sale: Mar 2, 2026.
Price history
Weekly fair value for PSA 7. Shaded area is the confidence band: how precisely we can pin the value; it tightens as more sales confirm it. Dots are individual sales.
What the evidence says
The last PSA 7 sale, $20 on Mar 2, 2026, sits 35.0% below the $30 fair value. The value rests on 2 recorded PSA 7 sales. With so few PSA 7 sales on record, a single sale can sit far from the value. Its confidence band runs from $26 to $34. A PSA 10 ($740) is worth 7.3 times a PSA 9 ($102). Over the past 30 days the PSA 7 value has risen 7.4%. With sparse sales evidence, read the gap and the band as rough guides.
TCGBerg fair value by grade
Value at each grade and ungraded condition. Log scale. Tap a row to switch the whole page.
- Raw NM$5.80Ungraded · TCGBerg fair value
- Raw LP$3.41Ungraded · TCGBerg fair value
- Raw MP$2.16Ungraded · market price
- Raw HP$2.00Ungraded · market price
- Raw Damaged$1.09Ungraded · market price
Behind the scenes
What goes into this price, and how much we know.
Recent sales
4 trackedEach sale against the grade's fair value on the day it sold.
- $6.43Sep 9, 2026 · via tcgplayerRawabove fair value by 10.7%
- $5.34Sep 3, 2026 · via tcgplayerRawbelow fair value by 8.1%
- $5.55Aug 13, 2026 · via tcgplayerRawbelow fair value by 4.5%
- $20Mar 2, 2026 · via eBayabove fair value by 60.5%
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.
- $7401d 52.3%7d 58.6%30d 89.1%
- Pop
- 0
- Mcap
- -
- Evidence
- Sparse
- Last
- -
- $1021d 0.0%7d 0.0%30d 10.6%
- Pop
- 5
- Mcap
- $510
- Evidence
- Sparse
- Last
- -
- $421d 0.0%7d 0.0%30d 3.7%
- Pop
- 1
- Mcap
- $42
- Evidence
- Sparse
- Last
- -
| $740 | 0 | - | up 52.3% | up 58.6% | up 89.1% | up 70.5% | Sparse | - | |
| $102 | 5 | $510 | 0.0% | 0.0% | down 10.6% | up 25.6% | Sparse | - | |
| $42 | 1 | $42 | 0.0% | 0.0% | up 3.7% | up 87.5% | Sparse | - | |
| $30 | 2 | $60 | up 0.1% | up 0.1% | up 7.4% | up 32.9% | Sparse | $209mo ago | |
| $11 | 0 | - | up 3.2% | up 3.6% | up 18.8% | up 36.3% | Sparse | - | |
| Raw | $5.80 | - | - | - | 0.0% | 0.0% | - | Strong | $6.432mo ago |
PSA population report
8 graded copies of Mamoswine Reverse Holo across 3 grades. The selected grade is highlighted.
PSA 7 makes up 25% of graded copies: 2 of 8. PSA 9 is the most common grade (63%).
Analysis
Mamoswine - Reverse Holo at PSA 10 carries a TCGBerg fair value of $740 as of 2026-11-14. We track a TCGBerg fair value across 5 grades from DP Stormfront, from PSA 6 up to PSA 10. The PSA 10 valuation rests on sparse sales evidence. Over the past 30 days, the PSA 10 TCGBerg fair value has risen 89.1%.